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PI74FCT2191T 데이터 시트보기 (PDF) - Pericom Semiconductor

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PI74FCT2191T Datasheet PDF : 6 Pages
1 2 3 4 5 6
PI74FCT191T
(25SERIES) PI74FCT2191T
4-BIT BINARY COUNTERS 1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122
Timing Characteristics (Over Operating Range)
Symbol
tDPLS
Description
Di to PL Setup
191T
191AT
191CT
2191T
2191AT
2191CT
Conditions Min.
Max. Min.
Max. Min.
Max. Unit
5.0
4.0
4.0
tDPLH Di to PL Hold
1.5
1.5
1.5
tCS
CE to CP Setup
10
9.0
9.0
tCH
CE to CP HoId
0
0
0
tUDCPS U/D to CP Setup
CL = 50 pF
12
RL = 500
10
10
ns
tUDCPH U/D to CP Hold
0
0
0
tCPW
tPL
Clock Pulse(1)
Width HIGH or LOW
PL LOW
5.0
4.0
4.0
6.0
5.5
5.5
tPLCPR PL to CP Recovery
6.0
5.0
5.0
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.
Pericom Semiconductor Corporation
2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com
6
PS2084B 01/13/97

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