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Электронный компонент: 74VCX163245TB

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1/15
June 2003
s
HIGH SPEED: t
PD
= 4.4ns (MAX.) at T
A
=85C
V
CCA
= 3.0V V
CCB
= 2.3V
s
LOW POWER DISSIPATION:
I
CCA
= I
CCB
= 20
A(MAX.) at T
A
=85C
s
SYMMETRICAL OUTPUT IMPEDANCE:
|I
OHA
| = I
OLA
= 12mA MIN at
V
CCA
= 3.0V V
CCB
= 1.65V or 2.3V
|I
OHA
| = I
OLA
= 8mA MIN at
V
CCA
= 2.3V V
CCB
= 1.65V)
s
BALANCED PROPAGATION DELAYS:
t
PLH
t
PHL
s
POWER DOWN PROTECTION ON INPUTS
AND OUTPUTS
s
OPERATING VOLTAGE RANGE:
V
CCA
(OPR) = 2.3V to 3.6V (1.2V Data Retention)
V
CCB
(OPR)=1.65Vto2.7V(1.2VDataRetention)
s
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 16245
s
LATCH-UP PERFORMANCE EXCEEDS
500mA (JESD 17)
s
ESD PERFORMANCE:
HBM > 2000V (MIL STD 883 method 3015);
MM > 200V
DESCRIPTION
The 74VCX163245 is a dual supply low voltage
CMOS 16-BIT BUS TRANSCEIVER fabricated
with sub-micron silicon gate and five-layer metal
wiring C
2
MOS technology. Designed for use as an
interface between a 3.3V bus and a 2.5V or 1.8V
bus in a mixed 3.3V/1.8V,3.3V/2.5V and 2.5V/
1.8V supply systems, it achieves high speed
operation while maintaining the CMOS low power
dissipation.
This IC is intended for two-way asynchronous
communication between data buses and the
direction of data transmission is determined by
nDIR inputs. The enable inputs nOE can be used
to disable the device so that the buses are
effectively isolated. The A-port interfaces with the
3V bus, the B-port with the 2.5V and 1.8V bus.
All inputs are equipped with protection circuits
against static discharge, giving them 2KV ESD im-
munity and transient excess voltage. All floating
bus terminals during High Z State must be held
HIGH or LOW.
74VCX163245
16-BIT DUAL SUPPLY BUS TRANSCEIVER
LEVEL TRANSLATOR
This is preliminary information on a new product foreseen to be developed. Details are subject to change without notice.
ORDER CODES
PACKAGE
TRAY
T & R
TSSOP48
74VCX163245TTR
TFBGA54
74VCX163245LB
74VCX163245LBR
TFBGA42
74VCX163245TB
74VCX163245TBR
TSSOP
TFBGA
TFBGA
TARGET DATA
LOGIC DIAGRAM
74VCX163245
2/15
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
TFBGA54 PIN N
o
TFBGA42 PIN N
o
TSSOP PIN N
o
SYMBOL
NAME AND FUNCTION
A3
B3
1
1DIR
Directional Controls
J3
F3
24
2DIR
Directional Controls
A6, B5, B6, C5,
C6, D5, D6, E5
A4, A5, A6, B5,
B6, C5, C6, D5
47, 46, 44, 43,
41, 40, 38, 37
1A1 to 1A8
Data Inputs/Outputs
E6, F5, F6, G5,
G6, H5, H6, J6
D6, E5, E6, F5,
F6,G4, G5, G6
36, 35, 33, 32,
30, 29, 27, 26
2A1 to 2A8
Data Inputs/Outputs
A1, B2, B1, C2,
C1, D2, D1, E2
A3, A2, A1, B2,
B1, C2, C1, D2
2, 3, 5, 6,
8, 9, 11, 12
1B1 to 1B8
Data Inputs/Outputs
E1, F2, F1, G2,
G1, H2, H1, J1
D1, E2, E1, F2,
F1,G3, G2, G1
13, 14, 16, 17,
19, 20, 22, 23
2B1 to 2B8
Data Inputs/Outputs
J4
F4
25
G2
Output Enable Inputs
A4
B4
48
G1
Output Enable Inputs
D3, D4, E3, E4,
F3, F4
C3, C4, E3, E4
4,10,15, 21,
28, 34, 39, 45
GND
Ground (0V)
A2, A5, B3, B4,
H3, H4, J2, J5
-
-
NC
No Connected
C4, G4
D4
42, 31
V
CCA
Positive Supply Voltage
C3, G3
D3
7, 18
V
CCB
Positive Supply Voltage
74VCX163245
3/15
PIN CONNECTION (top view for TSSOP, bottom view for BGA)
TRUTH TABLE
X=Don't care; Z=High Impedance
INPUTS
FUNCTION
OUTPUT
G
DIR
A BUS
B BUS
L
L
OUTPUT
INPUT
A = B
L
H
INPUT
OUTPUT
B = A
H
X
Z
Z
Z
TSSOP
TFBGA
TFBGA
74VCX163245
4/15
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum Rating are those value beyond which damage to the device may occur. Functional operation under these condition is not
implied
(*) 500mW:
65C derated to 300mW by 10mW/C: 65C to 85C
RECOMMENDED OPERATING CONDITIONS
1) V
IN
from 0.8V to 2.0V at V
CC
=3.0V
Symbol
Parameter
Value
Unit
V
CCA
Supply Voltage
-0.5 to +4.6
V
V
CCB
Supply Voltage
-0.5 to +4.6
V
V
I
DC Input Voltage
-0.5 to +4.6
V
V
I/OA
DC I/O Voltage (Output disabled)
-0.5 to +4.6
V
V
I/OB
DC I/O Voltage (Output disabled)
-0.5 to +4.6
V
V
I/OA
DC I/O Voltage
-0.5 to V
CCA
+ 0.5
V
V
I/OB
DC I/O Voltage
-0.5 to V
CCB
+ 0.5
V
I
IK
DC Input Diode Current
-
20
mA
I
OK
DC Output Diode Current
-
50
mA
I
OA
DC Output Current
50
mA
I
OB
DC Output Current
50
mA
I
CCA
DC V
CC
or Ground Current
100
mA
I
CCB
DC V
CC
or Ground Current
100
mA
P
d
Power Dissipation
400
mW
T
stg
Storage Temperature
-65 to +150
C
T
L
Lead Temperature (10 sec)
300
C
Symbol
Parameter
Value
Unit
V
CCA
Supply Voltage
2.3 to 3.6
V
V
CCB
Supply Voltage
1.65 to 2.7
V
V
I
Input Voltage (Dir, OE)
0 to V
CCB
V
V
I/OA
I/O Voltage
0 to V
CCA
V
V
I/OB
I/O Voltage
0 to V
CCB
V
T
op
Operating Temperature
-40 to 85
C
dt/dv
Input Rise and Fall Time (note 1)
0 to 10
ns/V
74VCX163245
5/15
DC SPECIFICATION FOR V
CCA
Symbol
Parameter
Test Condition
Value
Unit
V
CCB
(*)
(V)
V
CCA
(*)
(V)
T
A
= 25 C
-40 to 85 C
Min.
Typ.
Max.
Min.
Max.
V
IHA
High Level Input
Voltage (An)
1.8
2.5
1.6
1.6
V
1.8
3.3
2.0
2.0
2.5
3.3
2.0
2.0
V
ILA
Low Level Input
Voltage (An)
1.8
2.5
0.7
0.7
V
1.8
3.3
0.8
0.8
2.5
3.3
0.8
0.8
V
OHA
High Level
Output Voltage
2.3
3.0
I
O
=-100
A
2.8
2.8
V
2.3
3.0
I
O
=-24 mA
2.2
2.2
1.65
3.0
I
O
=-24 mA
2.2
2.2
1.65
2.3
I
O
=-18 mA
1.7
1.7
V
OLA
Low Level
Output Voltage
2.3
3.0
I
O
=100
A
0.2
0.2
V
2.3
3.0
I
O
=24 mA
0.55
0.55
1.65
3.0
I
O
=24 mA
0.55
0.55
1.65
2.3
I
O
=18 mA
0.60
0.60
I
IA
Input Leakage
Current
2.7
3.6
V
I
= V
CC
or GND
0.5
5
A
I
OZA
High Impedance
Output Leakage
Current
2.7
3.6
V
IA
= Gnd or 3.6V
V
IB
= V
IHB
or V
ILB
OE = V
CCB
1.0
10
A
I
IA(HOLD)
Input Hold
Current
1.65
2.3
V
I
= 0.57V
25
25
A
1.65
2.3
V
I
= 1.07V
-25
-25
1.65
3.0
V
I
= 0.57V
25
25
A
1.65
3.0
V
I
= 1.07V
-25
-25
2.3
3.0
V
I
= 0.7V
45
45
A
2.3
3.0
V
I
= 1.6V
-45
-45
2.7
3.6
V
IB
= 0 to 2.7V
300
I
OFF
Power Off
Leakage Current
0
0
V
IA
= Gnd to 3.6V
V
IB
= Gnd to 3.6V
G, Dir = GND to
3.6V
1.0
10
A
I
CCtA
Quiescent
Supply Current
1.95
3.6
V
IA
=V
CCA
or GND
V
IB
=V
CCB
or GND
2
20
A
1.95
2.7
2.7
3.6
I
CCtA
Maximum
Quiescent
Supply Current /
Input (An)
2.7
3.6
V
IA
=V
CCA
- 0.6V
V
IB
=V
CCB
or GND
0.75
mA
1.95
3.6
1.95
2.7