PI74FCT245ATLE 데이터 시트보기 (PDF) - Pericom Semiconductor
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PI74FCT245ATLE Datasheet PDF : 7 Pages
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PI74FCT245T
PI74FCT2245T(25 Ohm Series )
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Switching Characteristics over Operating Range
Parameters Description
Conditions(1)
245T/2245T
Com.
Min. Max.
tPLH Propagation Delay
CL = 50 pF
1.5(1) 7.0
tPHL A to B, B to A
RL = 500-ohm
tPZH Output Enable Time(2)
1.5 9.0
tPZL
tPHZ
OE to A or B
Output Disable Time(2)
1.5 7.5
tPLZ
tPZH
OE to A or B
Output Enable Time(2)
1.5 9.0
tPZL
tPHZ
T/R to A or B
Output Disable Time(2)
1.5 7.5
tPLZ T/R to A or B
Notes:
1. Minimum limits are guaranteed but not tested on Propagation Delays.
2. This parameter is guaranteed but not production tested.
245AT/2245AT 245CT/2245CT
Com.
Com.
Min. Max. Min. Max.
1.5(1) 4.6 1.5(1) 4.1
1.5 6.2 1.5 5.8
1.5 5.0 1.5 4.8
1.5 6.2 1.5 5.8
1.5 5.0 1.5 4.8
245DT
Com.
Min Max. Unit
1.5(1) 3.8 ns
1.5 5.0 ns
1.5 4.3 ns
1.5 5.0 ns
1.5 4.3 ns
Packaging Mechanical: 20-pin SOIC (S)
20
1
.496 12.60
.511 12.99
.020
.030
0.508
0.762
REF
.2914 7.40
.2992 7.60
0-8˚
.0926 2.35
.1043 2.65
SEATING
PLANE
.010
.029
0.254
0.737
x 45˚
0.41 .016
1.27 .050
.394
.419
10.00
10.65
.0091 0.23
.0125 0.32
.050
BSC
1.27
.013
.020
0.33
0.51
.0040 0.10
.0118 0.30
X.XX DENOTES CONTROLLING
X.XX DIMENSIONS IN MILLIMETERS
06-0207
4
PS2012E 08/08/06
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