PI74FCT2161TW Ver la hoja de datos (PDF) - Pericom Semiconductor

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PI74FCT2161TW

High Speed CMOS Synchronous 4-Bit Binary Counters

Pericom Semiconductor 

PI74FCT161T/163T

(25Ω SERIES) PI74FCT2161T/2163T

4-BIT BINARY COUNTERS 1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122

Timing Characteristics (Over Operating Range)

Symbol

Description

Conditions

161, 163,

2161, 2163

Min Max

tS

Data Setup Time

DI to CP

5.0

tH

Data Hold Time

DI to CP

1.5

tCH

Count Enab. Setup Time

CEP, CET to CP

11.5

tH

Count Enable Hold Time

CEP, CET to CP

0

tMRS Control Setup Time

tPES MR, PE to CP

CL = 50pF

RL = 500 Ohm

11.5

tMRH Control Hold Time

tPEH MR, PE to CP

1.5

tCPW

Clock Pulse Width(1)

HIGH or LOW

5.0

tMRW

MR Reset Pulse Width(1)

(161, 2161)

5.0

tMRW

Reset Recovery Time(1)

MR to CP, (161,2161)

6.0

161A, 163A,

2161A ,2163A

Min Max

4.0

1.5

9.5

0

9.5

1.5

4.0

4.0

5.0

Notes:

1. See Test Circuit and Waveforms

161C, 163C,

2161C ,2163C

Min Max

Units

3.5

1.5

8.5

0

8.5

ns

1.5

3.0

3.0

4.0

Pericom Semiconductor Corporation

2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com

6

PS2083B 10/08/01

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