PI74LPT16245A 데이터 시트보기 (PDF) - Pericom Semiconductor Corporation
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PI74LPT16245A Datasheet PDF : 5 Pages
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PI74LPT16245
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Switching Characteristics over Operating Range(1)
1
Parameters Description
LPT16245
Com.
LPT16245A
Com.
LPT16245C
Com.
2
Conditions(2) Min.(3) Max. Min.(3) Max. Min.(3) Max.
Units
tPLH
Propagation Delay
CL = 50 pF
tPHL
A to B, B to A
RL = 500Ω
tPZH
Output Enable Time
tPZL
xOE to A or B
1.5
5.2
1.5
4.6
1.5
4.1
1.5
7.2
1.5
6.2
1.5
5.8
ns
3
ns
tPHZ
Output Disable Time(4)
tPLZ
xOE to A or B
1.5
7.2
1.5
5.0
1.5
4.8
ns
4
tPZH
Output Enable Time
tPZL
xDIR to A or B
tPHZ
Output Disable Time
tPLZ
xDIR to A or B(4)
1.5
7.2
1.5
6.2
1.5
5.8
1.5
7.2
1.5
5.0
1.5
4.8
ns
5
ns
tSK(o)
Output Skew(5)
0.5
0.5
0.5
ns
6
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 wave forms.
3. Minimum limits are guaranteed but not tested on Propagation Delays.
7
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.
8
9
10
11
12
13
14
15
Pericom Semiconductor Corporation
2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com
5
PS2068A 01/16/97
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