PI74FCT193T Просмотр технического описания (PDF) - Pericom Semiconductor

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PI74FCT193T

High-Speed CMOS Presettable Synchronous 4-Bit Binary Counters

Pericom Semiconductor 

PI74FCT193

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High-Speed CMOS Presettable Synchronous

4-Bit Binary Counters

Timing Characteristics (Over Operating Range)

Symbol

Description

Conditions

tDPLS

Di to PL

193

2193

Min. Max.

5.0

tDPLH

Di to PL

2.0

tPLW

PL Low Time

6.0

tCP

CPU/D Pulse

Width HIGH and LOW

5.0

CL = 50pF

tCPL

CPU/D Pulse Width LOW

(change of direction)

RL = 500Ω

10

tMRH

MR High Time

6.0

tRPLCR

PL to CPU/D Recovery

6.0

tRMRCR

MR to CPU/D Recovery

4.0

Notes:

1.See Test Circuit and Waveforms.

2. Minimum limits are guaranteed but not tested on Propagation Delays.

3. This parameter guaranteed but not production tested.

193A

2193A

Min. Max.

4.0

1.5

5.0

4.0

8.0

5.0

5.0

3.0

Units

ns

Pericom Semiconductor Corporation

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

6

PS2085E 09/14/99

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