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參數(shù)資料
| 型號(hào)： | SNJ54HC590AFK |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 計(jì)數(shù)器 |
| 英文描述： | HC/UH SERIES, ASYN POSITIVE EDGE TRIGGERED 8-BIT UP BINARY COUNTER, CQCC20 |
| 封裝： | CERAMIC, LCC-20 |
| 文件頁(yè)數(shù)： | 21/23頁(yè) |
| 文件大?。?/td> | 804K |
| 代理商： | SNJ54HC590AFK |
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SN54HC590A, SN74HC590A
8BIT BINARY COUNTERS
WITH 3STATE OUTPUT REGISTERS
SCLS039F DECEMBER 1982 REVISED SEPTEMBER 2003
7
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)
FROM
TO
SN54HC590A
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC
TA = 25°C
MIN
MAX
UNIT
PARAMETER
(INPUT)
(OUTPUT)
VCC
MIN
TYP
MAX
MIN
MAX
UNIT
2 V
4
8
2.5
fmax
4.5 V
20
35
13
MHz
fmax
6 V
24
40
16
MHz
2 V
80
150
225
tpd
CCLK
↑
RCO
4.5 V
20
31
45
ns
tpd
CCLK
↑
RCO
6 V
15
26
38
ns
2 V
70
130
195
tPLH
CCLR
↓
RCO
4.5 V
18
28
39
ns
tPLH
CCLR
↓
RCO
6 V
14
23
33
ns
2 V
70
140
210
tpd
RCLK
↑
Q
4.5 V
18
31
42
ns
tpd
RCLK
↑
Q
6 V
14
25
36
ns
2 V
80
125
185
ten
OE
↓
Q
4.5 V
20
30
37
ns
ten
OE
↓
Q
6 V
15
28
31
ns
2 V
80
125
185
tdis
OE
↑
Q
4.5 V
20
30
37
ns
tdis
OE
↑
Q
6 V
15
28
31
ns
2 V
38
75
110
RCO
4.5 V
8
15
22
tt*
RCO
6 V
6
13
19
ns
tt*
2 V
38
60
90
ns
Q
4.5 V
8
12
18
Q
6 V
6
10
15
* This parameter is not production tested for the SN54HC590A.
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