PI74LPT2Q245R Просмотр технического описания (PDF) - Pericom Semiconductor
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PI74LPT2Q245R Datasheet PDF : 4 Pages
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PI74LPT2Q245
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Switching Characteristics over Operating Range(1)
LPT2Q245
Com.
LPT2Q245A
Com.
Parameters Description
Conditions(2) Min.(3) Max. Min.(3) Max.
tPLH
Propagation Delay
CL = 50 pF 1.5
7.0
1.5
4.6
ns
tPHL
A to B, B to A
RL = 500Ω
tPZH
Output Enable Time
1.5
8.5
1.5
6.2
ns
tPZL
OE to A or B
tPHZ
Output Disable Time(4)
1.5
7.5
1.5
5.0
ns
tPLZ
OE to A or B
tPZH
Output Enable Time
1.5
8.5
1.5
6.2
ns
tPZL
T/R to A or B
tPHZ
Output Disable Time(4)
1.5
7.5
1.5
5.0
ns
tPLZ
T/R to A or B
tSK(o) Output Skew(5)
0.5
0.5
ns
Notes:
1. Propagation Delays and Enable/Disable times are with Vcc = 3.3V ±0.3V, normal range. For Vcc = 2.7V,
extended range, all Propagation Delays and Enable/Disable times should be degraded by 20%.
2. See test circuit and waveforms.
3. Minimum limits are guaranteed but not tested on Propagation Delays.
4. This parameter is guaranteed but not production tested.
5. Skew between any two outputs, of the same package, switching in the same direction. This parameter is
guaranteed by design.
Pericom Semiconductor Corporation
2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com
4
PS8097 03/25/97
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