Philips
Semiconductors
74F269
8-bit bidirectional binary counter
Product specification
1996 Jan 05
INTEGRATED CIRCUITS
IC15 Data Handbook
Philips Semiconductors
Product specification
74F269
8bit bidirectional binary counter
2
1996 Jan 05
8530056 16186
FEATURES
Synchronous counting and loading
Built-in look-ahead carry capability
Count frequency 115MHz typ
Supply current 95mA typ
DESCRIPTION
The 74F269 is a fully synchronous 8-stage Up/Down Counter
featuring a preset capability for programmable operation, carry
look-ahead for easy cascading and a U/D input to control the
direction of counting. All state changes, whether in counting or
parallel loading, are initiated by the rising edge of the clock.
TYPE
TYPICAL f
MAX
TYPICAL
SUPPLY CURRENT
(TOTAL)
74F269
115MHz
95mA
PIN CONFIGURATION
24
23
22
21
20
19
18
17
16
15
14
13
12
10
11
9
8
7
6
5
4
3
2
1
U/D
CEP
CET
TC
PE
P0
P1
P2
P3
V
CC
P4
P5
P6
P7
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
CP
GND
SF00834
ORDERING INFORMATION
DESCRIPTION
COMMERCIAL RANGE
V
CC
= 5V
10%, T
amb
= 0
C to +70
C
PKG DWG #
24-Pin Plastic Slim DIP (300mil)
N74F269N
SOT222-1
24-Pin Plastic SOL
N74F269D
SOT137-1
24-Pin Plastic SSOP type II
N74F269DB
SOT340-1
INPUT AND OUTPUT LOADING AND FAN-OUT TABLE
PINS
DESCRIPTION
74F(U.L.)
HIGH/LOW
LOAD VALUE
HIGH/LOW
P0 - P7
Parallel Data inputs
1.0/1.0
20
A/0.6mA
PE
Parallel Enable input (active Low)
1.0/1.0
20
A/0.6mA
U/D
Up/Down count control input
1.0/1.0
20
A/0.6mA
CEP
Count Enable Parallel input (active Low)
1.0/1.0
20
A/0.6mA
CET
Count Enable Trickle input (active Low)
1.0/1.0
20
A/0.6mA
CP
Clock input
1.0/1.0
20
A/0.6mA
TC
Terminal Count output (active Low)
50/33
1.0mA/20mA
Q0 - Q7
Flip-flop outputs
50/33
1.0mA/20mA
NOTE:
One (1.0) FAST Unit Load is defined as: 20
A in the High state and 0.6mA in the Low state.
Philips Semiconductors
Product specification
74F269
8bit bidirectional binary counter
1996 Jan 05
3
LOGIC SYMBOL
U/D
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
1
24
11
P0
P1
P2
P3
P4
P5
P6
P7
2
3
4
5
6
8
9
10
23
22
21
20
18
17
16
15
14
TC
12
13
PE
CEP
CET
CP
V
CC
=Pin 19
GND=Pin 7
SF00835
LOGIC SYMBOL (IEEE/IEC)
SF00836
&
G5
EN6
24
M1[LOAD]
23
22
21
20
18
17
16
15
M4[DOWN]
1
13
12
11
2, 3, 5, 6 +/C7
2, 4, 5, 6
M2[COUNT]
M3[UP]
[1]
[2]
[4]
[8]
[16]
[32]
[64]
[128]
3, 5, 6 CT=256
4, 5, 8 CT=0
14
2
3
4
5
6
8
9
10
CTR DIV 256
1, 7D
APPLICATION
U/D
Q
0
Q1 Q2 Q3 Q4 Q5 Q6 Q7
P0 P1 P2 P3 P4 P5 P6 P7
TC
PE
CEP
CET
CP
SF00851
U/D
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
P0 P1 P2 P3 P4 P5 P6 P7
TC
PE
CEP
CET
CP
U/D
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
P0 P1 P2 P3 P4 P5 P6 P7
TC
PE
CEP
CET
CP
U/D
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
P0 P1 P2 P3 P4 P5 P6 P7
TC
PE
CEP
CET
CP
Most significant 8-bit counter
Least significant 8-bit counter
CP
U/D
PE
Figure 1. Synchronous Multistage Counting Scheme
MODE SELECT FUNCTION TABLE
INPUTS
OUTPUTS
OPERATING MODE
CP
U/D
CEP
CET
PE
P
n
Q
n
TC
OPERATING MODE
X
X
X
l
l
L
(a)
Parallel load
X
X
X
l
h
H
(a)
Parallel load
h
l
l
h
X
Count Up
(a)
Count Up
l
l
l
h
X
Count Down
(a)
Count Down
X
h
l
h
X
q
n
(a)
Hold (do nothing)
X
X
h
h
X
q
n
H
Hold (do nothing)
H = High voltage level
h = High voltage level one setup prior to the Low-to-High clock transition
L = Low voltage level
l
= Low voltage level one setup time prior to the Low-to-High clock transition
q = Lower case letters indicate the state of the referenced output prior to the Low-to-High clock transition
X = Don't care
= Low-to-High clock transition
(a) = TC is Low when CET is Low and the counter is at Terminal Count. Terminal Count Up is with all Q
n
outputs High and Terminal Count
Down is with all Qn outputs Low.
Philips Semiconductors
Product specification
74F269
8bit bidirectional binary counter
1996 Jan 05
4
LOGIC DIAGRAM
DETAIL A
DETAIL A
DETAIL A
DETAIL A
DETAIL A
DETAIL A
DETAIL A
DETAIL A
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
CET
TC
PE
CP
D
Q
CP
TOGGLE
Q
PE
CP
Pn
P0
P1
P2
P3
P4
P5
P6
P7
U/D
CEP
2
3
4
5
6
8
9
10
14
23
22
21
20
18
17
16
15
24
11
1
12
13
DETAIL A
V
CC
=Pin 19
GND=Pin 7
SF00837
Philips Semiconductors
Product specification
74F269
8bit bidirectional binary counter
1996 Jan 05
5
ABSOLUTE MAXIMUM RATINGS
(Operation beyond the limits set forth in this table may impair the useful life of the device.
Unless otherwise noted these limits are over the operating free-air temperature range.)
SYMBOL
PARAMETER
RATING
UNIT
V
CC
Supply voltage
0.5 to +7.0
V
V
IN
Input voltage
0.5 to +7.0
V
I
IN
Input current
30 to +5
mA
V
OUT
Voltage applied to output in High output state
0.5 to V
CC
V
I
OUT
Current applied to output in Low output state
40
mA
T
amb
Operating free-air temperature range
0 to +70
C
T
stg
Storage temperature
65 to +150
C
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
LIMITS
UNIT
SYMBOL
PARAMETER
MIN
NOM
MAX
UNIT
V
CC
Supply voltage
4.5
5.0
5.5
V
V
IH
High-level input voltage
2.0
V
V
IL
Low-level input voltage
0.8
V
I
IK
Input clamp current
18
mA
I
OH
High-level output current
1
mA
I
OL
Low-level output current
20
mA
T
amb
Operating free-air temperature range
0
70
C
DC ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range unless otherwise noted.)
NO TAG
LIMITS
SYMBOL
PARAMETER
TEST CONDITIONS
NO TAG
MIN
TYP
NO TAG
MAX
UNIT
V
O
High level output voltage
V
CC
= MIN, V
IL
= MAX
10%V
CC
2.5
V
V
OH
High-level output voltage
V
IH
= MIN, I
OH
= MAX
5%V
CC
2.7
3.4
V
V
O
Low level output voltage
V
CC
= MIN, V
IL
= MAX
10%V
CC
0.30
0.50
V
V
OL
Low-level output voltage
V
IH
= MIN, I
OL
= MAX
5%V
CC
0.30
0.50
V
V
IK
Input clamp voltage
V
CC
= MIN, I
I
= I
IK
0.73
1.2
V
I
I
Input current at maximum input voltage
V
CC
= MAX, V
I
= 7.0V
100
A
I
IH
High-level input current
V
CC
= MAX, V
I
= 2.7V
20
A
I
IL
Low-level input current
V
CC
= MAX, V
I
= 0.5V
0.6
mA
I
OS
Short-circuit output current
NO TAG
V
CC
= MAX
60
150
mA
I
CC
Supply current (total)
I
CCH
V
CC
=
PE=CET=CEP=U/D=GND,
Pn=4.5V, CP=
93
120
mA
I
CC
Supply current (total)
I
CCL
CC
MAX
PE=CET=CEP=U/D=GND,
Pn=GND, CP=
98
125
mA
NOTES:
1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable type.
2. All typical values are at V
CC
= 5V, T
amb
= 25
C.
3. Not more than one output should be shorted at a time. For testing I
OS
, the use of high-speed test apparatus and/or sample-and-hold
techniques are preferable in order to minimize internal heating and more accurately reflect operational values. Otherwise, prolonged shorting
of a High output may raise the chip temperature well above normal and thereby cause invalid readings in other parameter tests. In any
sequence of parameter tests, I
OS
tests should be performed last.
Philips Semiconductors
Product specification
74F269
8bit bidirectional binary counter
1996 Jan 05
6
AC ELECTRICAL CHARACTERISTICS
LIMITS
SYMBOL
PARAMETER
TEST CONDITIONS
T
amb
= +25
C
V
CC
= +5V
C
L
= 50pF, R
L
= 500
T
amb
= 0
C to +70
C
V
CC
= +5V
10%
C
L
= 50pF, R
L
= 500
UNIT
MIN
TYP
MAX
MIN
MAX
f
MAX
Maximum clock frequency
Waveform 1
100
115
85
MHz
t
PLH
t
pPHL
Propagation delay
CP to Q
n
(Load, PE = Low)
Waveform 1
3.0
4.0
6.0
6.5
8.5
8.5
3.0
4.0
9.0
9.0
ns
ns
t
PLH
t
PHL
Propagation delay
CP to Q
n
(Count, PE = High)
Waveform 1
3.0
4.5
6.0
7.0
9.0
10.0
3.0
4.0
10.0
10.5
ns
ns
t
PLH
t
PHL
Propagation delay
CP to TC
Waveform 1
4.5
5.0
6.5
6.5
9.5
9.5
4.0
5.0
10.5
10.0
ns
ns
t
PLH
t
PHL
Propagation delay
CET to TC
Waveform 2
3.5
3.0
6.0
6.5
9.0
9.0
3.0
3.0
10.0
10.0
ns
ns
t
PLH
t
PHL
Propagation delay
U/D to TC
Waveform 3
4.5
4.5
7.0
7.0
9.0
9.5
4.0
4.0
10.0
10.0
ns
ns
AC SETUP REQUIREMENTS
LIMITS
SYMBOL
PARAMETER
TEST CONDITIONS
T
amb
= +25
C
V
CC
= +5V
C
L
= 50pF, R
L
= 500
T
amb
= 0
C to +70
C
V
CC
= +5V
10%
C
L
= 50pF, R
L
= 500
UNIT
MIN
TYP
MIN
MAX
t
s
(H)
t
s
(L)
Setup time, High or Low
P
n
to CP
Waveform 4
3.5
3.5
2.5
2.5
ns
ns
t
h
(H)
t
h
(L)
Hold time, High or Low
P
n
to CP
Waveform 4
1.0
1.0
0
1.0
ns
ns
t
s
(H)
t
s
(L)
Setup time, High or Low
PE to CP
Waveform 4
5.5
6.5
5.5
6.5
ns
ns
t
h
(H)
t
h
(L)
Hold time, High or Low
PE to CP
Waveform 4
0
0
0
0
ns
ns
t
s
(H)
t
s
(L)
Setup time, High or Low
CEP or CET to CP
Waveform 5
6.0
8.0
5.0
6.5
ns
ns
t
h
(H)
t
h
(L)
Hold time, High or Low
CEP or CET to CP
Waveform 5
0
0
0
0
ns
ns
t
s
(H)
t
s
(L)
Setup time, High or Low
U/D to CP
Waveform 6
8.0
6.5
6.5
6.5
ns
ns
t
h
(H)
t
h
(L)
Hold time, High or Low
U/D to CP
Waveform 6
0
0
0
0
ns
ns
t
w
(H)
t
w
(L)
CP Pulse width
High or Low
Waveform 1
4.0
4.5
4.0
5.0
ns
ns
Philips Semiconductors
Product specification
74F269
8bit bidirectional binary counter
1996 Jan 05
7
TIMING DIAGRAM
253
254
255
0
1
2
2
1
0
255
254
253
COUNT UP
COUNT DOWN
INHIBIT
LOAD
PE
TC
CEP AND CET
U/D
P0
P1
P2
P3
P4
P5
P6
P7
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
CP
SEQUENCE
SF00838B
Philips Semiconductors
Product specification
74F269
8bit bidirectional binary counter
1996 Jan 05
8
AC WAVEFORMS
For all waveforms, V
M
= 1.5V.
The shaded areas indicate when the input is permitted to change for predictable output performance.
t
PHL
V
M
t
PHL
V
M
V
M
V
M
1/f
MAX
t
W
(L)
CP
Q
n
t
W
(H)
V
M
V
M
t
PLH
t
PLH
V
M
TC
SF00791A
Waveform 1. Propagation Delay, Clock Input to Output,
Clock Pulse Width, and Maximum Clock Frequency
V
M
V
M
V
M
V
M
t
PLH
t
PHL
CET
TC
SF00792
Waveform 2. Propagation Delay,
CET Input to Terminal Count Output
V
M
V
M
V
M
t
PLH
t
PHL
V
M
U/D
TC
SF00793
Waveform 3. Propagation Delay, Up/Down Count Control Input
to Terminal Count Output
CP
V
M
V
M
V
M
V
M
V
M
V
M
t
s
t
s
(L)
t
s
(H)
t
h
= 0
t
h
= 0
Pn
PE
SF00844
V
M
V
M
t
h
Waveform 4. Parallel Data and Parallel Enable
Setup and Hold Times
CP
Q
n
V
M
V
M
V
M
V
M
t
h
(L)
t
h
(H)
CET
CEP
t
s
(H)
t
s
(L)
COUNT
NO CHANGE
SF00842
V
M
V
M
Waveform 5. Count Enables Setup and Hold Times
CP
V
M
V
M
V
M
V
M
t
s
(H)
t
h
t
h
t
s
(L)
COUNT UP
COUNT DOWN
U/D
Q
n
SF00839
V
M
V
M
Waveform 6. Up/Down Count Control Setup and Hold Times
Philips Semiconductors
Product specification
74F269
8bit bidirectional binary counter
1996 Jan 05
9
TEST CIRCUIT AND WAVEFORMS
tw
90%
VM
10%
90%
VM
10%
90%
VM
10%
90%
VM
10%
NEGATIVE
PULSE
POSITIVE
PULSE
tw
AMP (V)
0V
0V
tTHL (tf
)
INPUT PULSE REQUIREMENTS
rep. rate
t
w
t
TLH
t
THL
1MHz
500ns
2.5ns
2.5ns
Input Pulse Definition
VCC
family
74F
D.U.T.
PULSE
GENERATOR
RL
CL
RT
VIN
VOUT
Test Circuit for Totem-Pole Outputs
DEFINITIONS:
R
L
= Load resistor;
see AC ELECTRICAL CHARACTERISTICS for value.
C
L
= Load capacitance includes jig and probe capacitance;
see AC ELECTRICAL CHARACTERISTICS for value.
R
T
= Termination resistance should be equal to Z
OUT
of
pulse generators.
tTHL (tf
)
tTLH (tr
)
tTLH (tr
)
AMP (V)
amplitude
3.0V
1.5V
V
M
SF00006
Philips Semiconductors
Product specification
74F269
8bit bidirectional binary counter
1996 Jan 05
10
DIP24:
plastic dual in-line package; 24 leads (300 mil)
SOT222-1
Philips Semiconductors
Product specification
74F269
8bit bidirectional binary counter
1996 Jan 05
11
SO24:
plastic small outline package; 24 leads; body width 7.5 mm
SOT137-1
Philips Semiconductors
Product specification
74F269
8bit bidirectional binary counter
1996 Jan 05
12
SSOP24:
plastic shrink small outline package; 24 leads; body width 5.3 mm
SOT340-1
Philips Semiconductors
Product specification
74F269
8bit bidirectional binary counter
1996 Jan 05
13
NOTES
Philips Semiconductors
Product specification
74F269
8-bit bidirectional binary counter
Philips Semiconductors and Philips Electronics North America Corporation reserve the right to make changes, without notice, in the products,
including circuits, standard cells, and/or software, described or contained herein in order to improve design and/or performance. Philips
Semiconductors assumes no responsibility or liability for the use of any of these products, conveys no license or title under any patent, copyright,
or mask work right to these products, and makes no representations or warranties that these products are free from patent, copyright, or mask
work right infringement, unless otherwise specified. Applications that are described herein for any of these products are for illustrative purposes
only. Philips Semiconductors makes no representation or warranty that such applications will be suitable for the specified use without further testing
or modification.
LIFE SUPPORT APPLICATIONS
Philips Semiconductors and Philips Electronics North America Corporation Products are not designed for use in life support appliances, devices,
or systems where malfunction of a Philips Semiconductors and Philips Electronics North America Corporation Product can reasonably be expected
to result in a personal injury. Philips Semiconductors and Philips Electronics North America Corporation customers using or selling Philips
Semiconductors and Philips Electronics North America Corporation Products for use in such applications do so at their own risk and agree to fully
indemnify Philips Semiconductors and Philips Electronics North America Corporation for any damages resulting from such improper use or sale.
This data sheet contains preliminary data, and supplementary data will be published at a later date. Philips
Semiconductors reserves the right to make changes at any time without notice in order to improve design
and supply the best possible product.
Philips Semiconductors
811 East Arques Avenue
P.O. Box 3409
Sunnyvale, California 940883409
Telephone 800-234-7381
DEFINITIONS
Data Sheet Identification
Product Status
Definition
Objective Specification
Preliminary Specification
Product Specification
Formative or in Design
Preproduction Product
Full Production
This data sheet contains the design target or goal specifications for product development. Specifications
may change in any manner without notice.
This data sheet contains Final Specifications. Philips Semiconductors reserves the right to make changes
at any time without notice, in order to improve design and supply the best possible product.
Philips Semiconductors and Philips Electronics North America Corporation
register eligible circuits under the Semiconductor Chip Protection Act.
Copyright Philips Electronics North America Corporation 1996
All rights reserved. Printed in U.S.A.
(print code)
Date of release: July 1994
Document order number:
9397-750-05112
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