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SN54HC645 Datasheet(PDF) 4 Page - Texas Instruments

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Part No. SN54HC645
Description  OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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SN54HC645 Datasheet(HTML) 4 Page - Texas Instruments

 
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SN54HC645, SN74HC645
OCTAL BUS TRANSCEIVERS
WITH 3STATE OUTPUTS
SCLS304B – JANUARY 1996 – REVISED DECEMBER 2002
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range, CL = 150 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
V
TA = 25°C
SN54HC645
SN74HC645
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
2 V
54
135
200
170
tpd
A or B
B or A
4.5 V
18
27
40
34
ns
t d
A or B
B or A
6 V
15
23
34
29
ns
2 V
150
270
405
335
ten
OE
A or B
4.5 V
31
54
81
67
ns
ten
OE
A or B
6 V
25
46
69
56
ns
2 V
45
210
315
265
tt
A or B
4.5 V
17
42
63
53
ns
t
6 V
13
36
53
45
operating characteristics, TA = 25°C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance per transceiver
No load
40
pF


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