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GTLP16612 Datasheet, PDF (6/9 Pages) Fairchild Semiconductor – CMOS 18-Bit TTL/GTLP Universal Bus Transceiver | |||
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AC Operating Requirements
Over recommended ranges of supply voltage and operating free-air temperature, VREF = 1.0V (unless otherwise noted).
Symbol
Min
Max
fCLOCK
Max Clock Frequency
175
tW
Pulse Duration
LEAB or LEBA HIGH
3.0
CLKAB or CLKBA HIGH or LOW
3.2
tS
Setup Time
A before CLKABâ
0.5
B before CLKBAâ
3.1
A before LEABâ
1.3
B before LEBAâ
3.7
CEAB before CLKABâ
0.4
CEBA before CLKBAâ
1.0
tH
Hold Time
A after CLKABâ
1.5
B after CLKBAâ
0.0
A after LEABâ
0.5
B after LEBAâ
0.0
CEAB after CLKABâ
1.5
CEBA after CLKBAâ
1.7
AC Electrical Characteristics
Over recommended range of supply voltage and operating free-air temperature, VREF = 1.0V (unless otherwise noted).
CL = 30 pF for B-Port and CL = 50 pF for A-Port.
Symbol
From
To
Min
Typ
Max
(Input)
(Output)
(Note 10)
tPLH
A
B
tPHL
tPLH
LEAB
B
tPHL
tPLH
CLKAB
B
tPHL
tPLH
OEAB
B
tPHL
tRISE
Transition time, B outputs (20% to 80%)
tFALL
Transition time, B outputs (20% to 80%)
tPLH
B
A
tPHL
tPLH
LEBA
A
tPHL
tPLH
CLKBA
A
tPHL
tPZH, tPZL
OEBA
A
tPHZ, tPLZ
Note 10: All typical values are at VCC = 3.3V, VCCQ = 5.0V, and TA = 25°C.
1.0
4.3
6.5
1.0
5.0
8.2
1.8
4.5
6.7
1.5
5.3
8.6
1.8
4.6
6.7
1.5
5.4
8.7
1.6
4.4
6.2
1.3
6.1
9.8
2.6
2.6
2.0
5.6
8.2
1.4
5.0
7.2
2.1
4.2
6.3
1.9
3.3
5.0
2.3
4.4
6.8
2.2
3.5
5.2
1.5
5.0
6.2
1.9
3.9
7.9
Unit
MHz
ns
ns
ns
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
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