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参数资料
| 型号： | SNJ54HC21FKR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 门电路 |
| 英文描述： | HC/UH SERIES, DUAL 4-INPUT AND GATE, CQCC20 |
| 封装： | CERAMIC, LCC-20 |
| 文件页数： | 13/18页 |
| 文件大小： | 703K |
| 代理商： | SNJ54HC21FKR |
SN54HC21, SN74HC21
DUAL 4INPUT POSITIVEAND 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
2 V
44
110
165
140
tpd
A, B, C, or D
Y
4.5 V
14
22
33
28
ns
tpd
A, B, C, or D
Y
6 V
11
19
28
24
ns
2 V
29
75
110
95
tt
Y
4.5 V
10
15
22
19
ns
tt
Y
6 V
8
13
19
16
ns
operating characteristics, TA = 25°C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance per gate
No load
25
pF
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| SNJ54HC21W | HC/UH SERIES, DUAL 4-INPUT AND GATE, CDFP14 |
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