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PI74LPT16374

Fast CMOS 3.3V 16-Bit Register (3-State)

Pericom Semiconductor 

PI74LPT16374

Fast CMOS 3.3V

16-Bit Register (3-State)

Features

• Compatible with LCX™ and LVT™ families of products

• Supports 5V Tolerant Mixed Signal Mode Operation

– Input can be 3V or 5V

– Output can be 3V or connected to 5V bus

• Advanced Low Power CMOS Operation

• Excellent output drive capability:

Balanced drives (24 mA sink and source)

• Pin compatible with industry standard double-density pinouts

• Low ground bounce outputs

• Hysteresis on all inputs

• ESD Protection exceeds 2000V

• Industrial operating temperature range: –40°C to +85°C

• Multiple center pins and distributed VCC/GND pins minimize

switching noise

• Packaging (Pb-free & Green available):

– 48-pin 240-mil wide plastic TSSOP (A)

– 48-pin 300-mil wide plastic SSOP (V)

Description

Pericom Semiconductor’s PI74LPT16374 is a 16-bit octal register

designed with 16 D-type flip-flops with a buffered common clock

and 3-state outputs. The Output Enable (xOE) and clock (xCLK)

controls are organized to operate as two 8-bit registers or one 16-bit

register. When OE is HIGH, the outputs are in the high impedance

state. Input data meeting the setup and hold time requirements of

the D inputs is transferred to the O outputs on the LOW-to-HIGH

transition of the clock input.

The PI74LPT16374 can be driven from either 3.3V or 5.0V

devices allowing this device to be used as a translator in a mixed

3.3/5.0V system.

Block Diagram

1OE

2OE

1CLK

2CLK

1D0

D

2D0

D

1O0

2O0

C

C

TO 7 OTHER CHANNELS

TO 7 OTHER CHANNELS

08-0291

1

PS2070F 11/10/08

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