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SN74HC21D 数据表(PDF) 4 Page - Texas Instruments

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部件名 SN74HC21D
功能描述  DUAL 4-INPUT POSITIVE-AND GATES
Download  14 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

SN74HC21D 数据表(HTML) 4 Page - Texas Instruments

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SN54HC21, SN74HC21
DUAL 4-INPUT POSITIVE-AND GATES
SCLS087E – DECEMBER 1982 – REVISED AUGUST 2003
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range, CL = 50 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
VCC
TA = 25°C
SN54HC21
SN74HC21
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
t
A, B, C, or D
Y
2 V
44
110
165
140
ns
tpd
A, B, C, or D
Y
4.5 V
14
22
33
28
ns
pd
6 V
11
19
28
24
t
Y
2 V
29
75
110
95
ns
tt
Y
4.5 V
10
15
22
19
ns
t
6 V
8
13
19
16
operating characteristics, TA = 25°C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance per gate
No load
25
pF


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