廬
74VCX162245
LOW VOLTAGE CMOS 16-BIT BUS TRANSCEIVER (3-STATE)
WITH 3.6V TOLERANT INPUTS AND OUTPUTS
s
s
s
s
s
s
s
s
s
s
s
3.6V TOLERANT INPUTS AND OUTPUTS
HIGH SPEED A OUTPUTS:
t
PD
= 3.4 ns (MAX.) at V
CC
= 3.0 to 3.6V
t
PD
= 4.3 ns (MAX.) at V
CC
= 2.3 to 2.7V
t
PD
= 5.7 ns (MAX.) at V
CC
= 1.8V
SYMMETRICAL IMPEDANCE A OUTPUTS:
|I
OH
| = I
OL
= 12 mA (MIN) at V
CC
= 3.0V
|I
OH
| = I
OL
= 8 mA (MIN) at V
CC
= 2.3V
|I
OH
| = I
OL
= 4 mA (MIN) at V
CC
= 1.8V
HIGH SPEED B OUTPUTS:
t
PD
= 2.5 ns (MAX.) at V
CC
= 3.0 to 3.6V
t
PD
= 3.2 ns (MAX.) at V
CC
= 2.3 to 2.7V
t
PD
= 5.7 ns (MAX.) at V
CC
= 1.8V
SYMMETRICAL IMPEDANCE B OUTPUTS:
|I
OH
| = I
OL
= 24 mA (MIN) at V
CC
= 3.0V
|I
OH
| = I
OL
= 18 mA (MIN) at V
CC
= 2.3V
|I
OH
| = I
OL
= 6 mA (MIN) at V
CC
= 1.8V
POWER-DOWN PROTECTION ON INPUTS
AND OUTPUTS
26鈩?SERIE RESITORS IN A PORT OUTPUT
OPERATING VOLTAGE RANGE:
V
CC
(OPR) = 1.8V to 3.6V
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 16245
LATCH-UP PERFORMANCE EXCEEDS 300mA
ESD PERFORMANCE:
HBM >2000V; MM > 200V
T
(TSSOP48 Package)
ORDER CODES :
74VCX162245T
PIN CONNECTION
DESCRIPTION
The VCX162245 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 enviroment for both
inputs and outputs.
This IC is intended for two-way asynchronous
communication beetwen data buses; the direction
of data trasmission is determined by DIR input.
The two enable inputs nG can be used to disable
the device so that the buses are effectively
isolated. The device circuits is including 26
鈩?/div>
series resistance in the A port outputs. These
resistors permit to reduce line noise in high speed
applications. All inputs and outputs are equipped
March 1999
1/11
next