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SN54HC646 Datasheet(HTML) 6 Page - Texas Instruments

Part No. SN54HC646
Description  OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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SN54HC646 Datasheet(HTML) 6 Page - Texas Instruments

 
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SN54HC646, SN74HC646
OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCLS150B – DECEMBER 1982 – REVISED MAY 1997
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
VCC
TA = 25°C
SN54HC646
SN74HC646
UNIT
VCC
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
2 V
0
6
0
4.3
0
5.5
fclock
Clock frequency
4.5 V
0
31
0
22
0
27
MHz
6 V
0
36
0
25
0
31
2 V
80
115
95
tw
Pulse duration, CLKBA or CLKAB high or low
4.5 V
16
23
19
ns
6 V
14
20
16
2 V
100
150
125
tsu
Setup time, A before CLKAB
↑ or B before CLKBA↑
4.5 V
20
30
25
ns
6 V
17
26
21
2 V
5
5
5
th
Hold time, A after CLKAB
↑ or B after CLKBA↑
4.5 V
5
5
5
ns
6 V
5
5
5
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.


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