PI74FCT2543T Ver la hoja de datos (PDF) - Pericom Semiconductor
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PI74FCT2543T Datasheet PDF : 5 Pages
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PI74FCT543T/544T
(25Ω Series) PI74FCT2543T
Latched Transceivers 1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122
PI74FCT543/2543T (non-inverting) Switching Characteristics over Operating Range
Parameters Description
Conditions(1)
tPLH
Propagation Delay Transparent
CL = 50 pF
tPHL
Mode AN to BN or BN to AN
RL = 500Ω
tPLH
Propagation Delay
tPHL
LEBA to AN, LEAB to BN
tPZH
Output Enable Time
tPZL
OEBA or OEAB to AN or BN
CEBA or CEAB to AN or BN
tPZH
Output Disable Time(3)
tPZL
OEBA or OEAB to AN or BN
CEBA or CEAB to AN or BN
tSU
Setup Time, HIGH or LOW
AN or BN to LEBA or LEAB
tH
Hold Time, HIGH or LOW
AN or BN to LEBA or LEAB
tW
LEBA or LEAB Pulse Width LOW(3)
543T/2543T
Com.
Min
Max
2.5
8.5
2.5
12.5
2.0
12.0
2.0
9.0
3.0
2.0
5.0
543AT/2543AT
Com.
Min
Max
2.5
6.5
2.5
8.0
2.0
9.0
2.0
7.5
2.0
2.0
5.0
543CT/2543CT
Com.
Min
Max
2.5
5.3
2.5
7.0
2.0
8.0
2.0
6.5
2.0
2.0
5.0
543DT
Com.
Min
Max Unit
2.5
4.4 ns
2.5
5.0 ns
2.0
5.4 ns
2.0
4.3 ns
1.5
ns
1.5
ns
3.0
ns
PI74FCT544T (inverting) Switching Characteristics over Operating Range
Parameters Description
544T
544AT
544CT
Com.
Com.
Com.
Conditions(1) Min
Max
Min
Max
Min
Max
Unit
tPLH
Propagation Delay Transparent
CL = 50 pF
2.5
8.5
2.5
6.5
2.5
5.3
ns
tPHL
Mode AN to BN or BN to AN
RL = 500Ω
tPLH
Propagation Delay
2.5
12.5
2.5
8.0
2.5
7.0
ns
tPHL
LEBA to AN, LEAB to BN
tPZH
Output Enable Time
2.0
12.0
2.0
9.0
2.0
8.0
ns
tPZL
OEBA or OEAB to AN or BN
CEBA or CEAB to AN or BN
tPZH
Output Disable Time(3)
2.0
9.0
2.0
7.5
2.0
6.5
ns
tPZL
OEBA or OEAB to AN or BN
CEBA or CEAB to AN or BN
tSU
Setup Time, HIGH or LOW
3.0
2.0
2.0
ns
AN or BN to LEBA or LEAB
tH
Hold Time, HIGH or LOW
2.0
2.0
2.0
ns
AN or BN to LEBA or LEAB
tW
LEBA or LEAB Pulse Width LOW(3)
5.0
5.0
5.0
ns
Notes:
1. See test circuit and wave forms.
2. Minimum limits are guaranteed but not tested on Propagation Delays.
3. This parameter is 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
5
PS2020A 03/11/96
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