SN74ALVCH32245
SN74ALVCH32245 is 32-BIT BUS TRANSCEIVER manufactured by Texas Instruments.
FEATURES
- Member of the Texas Instruments Widebus+™ Family
- Operates From 1.65 V to 3.6 V
- Max tpd of 3 ns at 3.3 V
- ±24-m A Output Drive at 3.3 V
- Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors
SN74ALVCH32245 32-BIT BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCES282D
- OCTOBER 1999
- REVISED SEPTEMBER 2004
- Latch-Up Performance Exceeds 100 m A Per JESD 78, Class II
- ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)
- 1000-V Charged-Device Model (C101)
DESCRIPTION
/ORDERING INFORMATION
This 32-bit noninverting bus transceiver is designed for 1.65-V to 3.6-V VCC operation.
The SN74ALVCH32245 is designed for asynchronous munication between data buses. The control-function implementation minimizes external timing requirements.
This device can be used as four 8-bit transceivers, two 16-bit transceivers, or one 32-bit transceiver. It allows data transmission from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so that the buses effectively are isolated.
To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors with the bus-hold circuitry is not remended.
TA -40°C to 85°C
ORDERING INFORMATION
PACKAGE (1)
ORDERABLE PART NUMBER
LFBGA
- GKE LFBGA
- ZKE (Pb-free)
Tape and reel
SN74ALVCH32245KR 74ALVCH32245ZKER
TOP-SIDE MARKING ACH245
(1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at .ti./sc/package.
FUNCTION TABLE (each 8-bit section)
INPUTS
OE...
