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74VCX32373

Low Voltage 32-Bit Transparent Latch with 3.6V Tolerant Inputs and Outputs (Preliminary)

Fairchild Semiconductor 

Preliminary

February 2001

Revised August 2001

74VCX32373

Low Voltage 32-Bit Transparent Latch

with 3.6V Tolerant Inputs and Outputs (Preliminary)

General Description

The VCX32373 contains thirty-two non-inverting latches

with 3-STATE outputs and is intended for bus oriented

applications. The device is byte controlled. The flip-flops

appear to be transparent to the data when the Latch enable

(LE) is HIGH. When LE is LOW, the data that meets the

setup time is latched. Data appears on the bus when the

Output Enable (OE) is LOW. When OE is HIGH, the out-

puts are in a high impedance state.

The 74VCX32373 is designed for low voltage (1.65V to

3.6V) VCC applications with I/O compatibility up to 3.6V.

The 74VCX32373 is fabricated with an advanced CMOS

technology to achieve high speed operation while maintain-

ing low CMOS power dissipation.

Features

s 1.65V–3.6V VCC supply operation

s 3.6V tolerant inputs and outputs

s tPD (In to On)

3.0 ns max for 3.0V to 3.6V VCC

3.4 ns max for 2.3V to 2.7V VCC

6.8 ns max for 1.65V to 1.95V VCC

s Power-off high impedance inputs and outputs

s Support live insertion and withdrawal (Note 1)

s Static Drive (IOH/IOL)

±24 mA @ 3.0V VCC

±18 mA @ 2.3V VCC

±6 mA @ 1.65V VCC

s Uses patented noise/EMI reduction circuitry

s Latch-up performance exceeds 300 mA

s ESD performance:

Human body model > 2000V

Machine model > 200V

s Packaged in plastic Fine-Pitch Ball Grid Array (FBGA)

Note 1: To ensure the high-impedance state during power up or power

down, OE should be tied to VCC through a pull-up resistor; the minimum

value of the resistor is determined by the current-sourcing capability of the

driver.

Ordering Code:

Ordering Number Package Number

Package Description

74VCX32373GX

(Note 2)

BGA96A

96-Ball Fine-Pitch Ball Grid Array (FBGA), JEDEC MO-205, 5.5mm Wide

[TAPE and REEL]

Note 2: BGA package available in Tape and Reel only.

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© 2001 Fairchild Semiconductor Corporation DS500567

www.fairchildsemi.com

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