1/13July 2003
3.6V TOLERANT INPUTS AND OUTPUTS
HIGH SPEED A OUTPUTS:
t
PD
= 3.4 ns (MAX.) at V
CC
=3.0to3.6V
t
PD
= 4.3 ns (MAX.) at V
CC
=2.3to2.7V
t
PD
= 5.7 ns (MAX.) at V
CC
=1.8V
SYMMETRICAL IMPEDANCE A OUTPUTS:
|I
OH
|=I
OL
= 12mA (MIN) at V
CC
=3.0V
|I
OH
|=I
OL
=8mA(MIN)atV
CC
=2.3V
|I
OH
|=I
OL
=4mA(MIN)atV
CC
=1.8V
HIGH SPEED B OUTPUTS:
t
PD
= 2.5 ns (MAX.) at V
CC
=3.0to3.6V
t
PD
= 3.2 ns (MAX.) at V
CC
=2.3to2.7V
t
PD
= 5.7 ns (MAX.) at V
CC
=1.8V
SYMMETRICAL IMPEDANCE B OUTPUTS:
|I
OH
|=I
OL
= 24mA (MIN) at V
CC
=3.0V
|I
OH
|=I
OL
= 18mA (MIN) at V
CC
=2.3V
|I
OH
|=I
OL
=6mA(MIN)atV
CC
=1.8V
POWER DOWN PROTECTION ON INPUTS
AND OUTPUTS
26 SERIE RESISTORS IN A PORT
OUTPUT
OPERATING VOLTAGE RANGE:
V
CC
(OPR) = 1.8V to 3.6V
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 162245
LATCH-UP PERFORMANCE EXCEEDS
300mA (JESD 17)
ESD PERFORMANCE:
HBM > 2000V (MIL STD 883 method 3015);
MM > 200V
DESCRIPTION
The 74VCX162245 is a low voltage CMOS 16 BIT
BUS TRANSCEIVER (3-STATE) fabricated with
sub-micron silicon gate and five-layer metal wiring
C
2
MOS technology. It is ideal for low power and
very high speed 1.8 to 3.6V applications; it can be
interfaced to 3.6V signal environment for both
inputs and outputs.
This IC is intended for two-way asynchronous
communication between data buses; the direction
of data transmission is determined by DIR input.
The two enable inputs nG
canbeusedtodisable
the device so that the buses are effectively
isolated. The device circuits is including 26 se-
ries resistance in the A port outputs. These resis-
tors permit to reduce line noise in high speed ap-
74VCX162245
LOW VOLTAGE CMOS 16-BIT BUS TRANSCEIVER
(3-STATE) WITH 3.6V TOLERANT INPUTS AND OUTPUTS
ORDER CODES
PACKAGE TUBE T & R
TSSOP 74VCX162245TTR
TSSOP
PIN CONNECTION
Obsolete Product(s) - Obsolete Product(s)
Obsolete Product(s) - Obsolete Product(s)
Obsolete Product(s) - Obsolete Product(s)
74VCX162245
2/13
plications.
All inputs and outputs are equipped with
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage. All floating bus terminals during High Z
State must be held HIGH or LOW.
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
TRUTH TABLE
X : Don‘t Care
Z : High Impedance
IEC LOGIC SYMBOLS
PIN No SYMBOL NAME AND FUNCTION
1 1DIR Directional Control
2, 3, 5, 6, 8, 9,
11, 12
1B1 to 1B8 Data Inputs/Outputs
13, 14, 16, 17,
19, 20, 22, 23
2B1 to 2B8 Data Inputs/Outputs
24 2DIR Directional Control
25 2G
Output Enable Input
36, 35, 33, 32,
30, 29, 27, 26
2A1 to 2A8 Data Inputs/Outputs
47, 46, 44, 43,
41, 40, 38, 38
1A1 to 1A8 Data Inputs/Outputs
48 1G
Output Enable Input
4, 10, 15, 21,
28, 34, 39, 45
GND Ground (0V)
7, 18, 31, 42
V
CC
Positive Supply Voltage
INPUTS FUNCTION OUTPUT
G
DIR A BUS B BUS Yn
L L OUTPUT INPUT A = B
L H INPUT OUTPUT B = A
HXZZZ
Obsolete Product(s) - Obsolete Product(s)
Obsolete Product(s) - Obsolete Product(s)
74VCX162245
3/13
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied
1) I
O
absolute maximum rating must be observed
2) V
O
<GND,V
O
>V
CC
RECOMMENDED OPERATING CONDITIONS
1) V
IN
from 0.8V to 2V at V
CC
=3.0V
Symbol Parameter Value Unit
V
CC
Supply Voltage
-0.5 to +4.6 V
V
I
DC Input Voltage
-0.5 to +4.6 V
V
O
DC Output Voltage (OFF State)
-0.5 to +4.6 V
V
O
DC Output Voltage (High or Low State) (note 1) -0.5 to V
CC
+ 0.5
V
I
IK
DC Input Diode Current
-50 mA
I
OK
DC Output Diode Current (note 2)
-50 mA
I
O
DC Output Current
± 50 mA
I
CC
or I
GND
DC V
CC
or Ground Current per Supply Pin
± 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
CC
Supply Voltage
1.8 to 3.6 V
V
I
Input Voltage
-0.3 to 3.6 V
V
O
Output Voltage (OFF State)
0 to 3.6 V
V
O
Output Voltage (High or Low State) 0 to V
CC
V
I
OH
,I
OL
High or Low Level Output Current - A side (V
CC
= 3.0 to 3.6V)
± 12 mA
I
OH
,I
OL
High or Low Level Output Current - A side (V
CC
= 2.3 to 2.7V)
± 8mA
I
OH
,I
OL
High or Low Level Output Current - A side (V
CC
= 1.8V)
± 4mA
I
OH
,I
OL
High or Low Level Output Current - B side (V
CC
= 3.0 to 3.6V)
± 24 mA
I
OH
,I
OL
High or Low Level Output Current - B side (V
CC
= 2.3 to 2.7V)
± 18 mA
I
OH
,I
OL
High or Low Level Output Current - B side (V
CC
= 1.8V)
± 6mA
T
op
Operating Temperature
-55 to 125 °C
dt/dv Input Rise and Fall Time (note 1) 0 to 10 ns/V
Obsolete Product(s) - Obsolete Product(s)

74VCX162245TTR

Mfr. #:
Manufacturer:
STMicroelectronics
Description:
Bus Transceivers 16-Bit Transceiver
Lifecycle:
New from this manufacturer.
Delivery:
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Payment:
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