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参数资料
| 型号： | SN54HCT373FKR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | HCT SERIES, 8-BIT DRIVER, TRUE OUTPUT, CQCC20 |
| 封装： | CERAMIC, LCC-20 |
| 文件页数： | 4/6页 |
| 文件大小： | 96K |
| 代理商： | SN54HCT373FKR |
SN54HCT373, SN74HCT373
OCTAL TRANSPARENT D-TYPE LATCHES
WITH 3-STATE OUTPUTS
SCLS009B – MARCH 1984 – REVISED MAY 1997
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
VCC
TA = 25°C
SN54HCT373
SN74HCT373
UNIT
VCC
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
t
Pulse duration LE high
4.5 V
20
30
25
ns
tw
Pulse duration, LE high
5.5 V
17
27
23
ns
t
Setup time data before LE
↓
4.5 V
10
15
13
ns
tsu
Setup time, data before LE
↓
5.5 V
9
14
12
ns
th
Hold time data after LE
↓
4.5 V
10
ns
th
Hold time, data after LE
↓
5.5 V
10
ns
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
SN54HCT373
SN74HCT373
UNIT
PARAMETER
(INPUT)
(OUTPUT)
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
D
Q
4.5 V
25
35
53
44
t d
D
Q
5.5 V
21
32
48
40
ns
tpd
LE
Any Q
4.5 V
28
35
53
44
ns
LE
Any Q
5.5 V
25
32
48
40
t
OE
Any Q
4.5 V
26
35
53
44
ns
ten
OE
Any Q
5.5 V
23
32
48
40
ns
tdi
OE
Any Q
4.5 V
23
35
53
44
ns
tdis
OE
Any Q
5.5 V
22
32
48
40
ns
tt
Any Q
4.5 V
10
12
18
15
ns
tt
Any Q
5.5 V
9
11
16
14
ns
switching characteristics over recommended operating free-air temperature range, CL = 150 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
VCC
TA = 25°C
SN54HCT373
SN74HCT373
UNIT
PARAMETER
(INPUT)
(OUTPUT)
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
D
Q
4.5 V
32
52
79
65
t d
D
Q
5.5 V
27
47
71
59
ns
tpd
LE
Any Q
4.5 V
38
52
79
65
ns
LE
Any Q
5.5 V
36
47
71
59
t
OE
Any Q
4.5 V
33
52
79
65
ns
ten
OE
Any Q
5.5 V
28
47
71
59
ns
tt
Any Q
4.5 V
18
42
63
53
ns
tt
Any Q
5.5 V
16
38
57
48
ns
operating characteristics, TA = 25°C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance per latch
No load
50
pF
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