DATA SHEET
Product specification
File under Integrated Circuits, IC06
December 1990
INTEGRATED CIRCUITS
74HC7266
Quad 2-input EXCLUSIVE-NOR
gate
For a complete data sheet, please also download:
The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications
The IC06 74HC/HCT/HCU/HCMOS Logic Package Information
The IC06 74HC/HCT/HCU/HCMOS Logic Package Outlines
December 1990
2
Philips Semiconductors
Product specification
Quad 2-input EXCLUSIVE-NOR gate
74HC7266
FEATURES
Output capability: standard
I
CC
category: SSI
GENERAL DESCRIPTION
The 74HC7266 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL (LSTTL).
They are specified in compliance with JEDEC standard no. 7A.
The 74HC7266 provide the EXCLUSIVE-NOR function with active push-pull output.
QUICK REFERENCE DATA
GND = 0 V; T
amb
= 25
C; t
r
= t
f
= 6 ns
Notes
1. C
PD
is used to determine the dynamic power dissipation (P
D
in
W):
P
D
= C
PD
V
CC
2
f
i
+
(C
L
V
CC
2
f
o
) where:
f
i
= input frequency in MHz
f
o
= output frequency in MHz
C
L
= output load capacitance in pF
V
CC
= supply voltage in V
(C
L
V
CC
2
f
o
) = sum of outputs
2. For HC the condition is V
I
= GND to V
CC
For HCT the condition is V
I
= GND to V
CC
-
1.5 V
ORDERING INFORMATION
See
"74HC/HCT/HCU/HCMOS Logic Package Information"
.
SYMBOL
PARAMETER
CONDITIONS
TYPICAL
UNIT
HC
t
PHL/
t
PLH
propagation delay nA, nB to nY
C
L
= 15 pF; V
CC
= 5 V
11
ns
C
I
input capacitance
3.5
pF
C
PD
power dissipation capacitance per gate
note 1
17
pF
December 1990
3
Philips Semiconductors
Product specification
Quad 2-input EXCLUSIVE-NOR gate
74HC7266
PIN DESCRIPTION
PIN NO.
SYMBOL
NAME AND FUNCTION
1, 5, 8, 12
1A to 4A
data inputs
2, 6, 9, 13
1B to 4B
data inputs
3, 4, 10, 11
1Y to 4Y
data outputs
7
GND
ground (0 V)
14
V
CC
positive supply voltage
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
Fig.4 Functional diagram.
Fig.5 Logic diagram (one gate).
FUNCTION TABLE
Notes
1. H = HIGH voltage level
L = LOW voltage level
INPUTS
OUTPUT
nA
nB
nY
L
L
H
H
L
H
L
H
H
L
L
H
December 1990
4
Philips Semiconductors
Product specification
Quad 2-input EXCLUSIVE-NOR gate
74HC7266
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see
"74HC/HCT/HCU/HCMOS Logic Family Specifications"
.
Output capability: standard
I
CC
category: SSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF
AC WAVEFORMS
PACKAGE OUTLINES
See
"74HC/HCT/HCU/HCMOS Logic Package Outlines"
.
SYMBOL
PARAMETER
T
amb
(
C)
UNIT
TEST CONDITIONS
74HC
V
CC
(V)
WAVEFORMS
+25
-
40 to +85
-
40 to +125
min.
typ.
max.
min.
max. min.
max.
t
PHL
/ t
PLH
propagation delay
nA, nB to nY
39
14
11
115
23
20
145
29
25
175
35
30
ns
2.0
4.5
6.0
Fig.6
t
THL
/ t
TLH
output transition time
19
7
6
75
15
13
95
19
16
110
22
19
ns
2.0
4.5
6.0
Fig.6
Fig.6 Waveforms showing the input (nA, nB) to output (nY) propagation delays and the output transition times.
(1) HC : V
M
= 50%; V
I
= GND to V
CC
.
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