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參數(shù)資料
| 型號(hào)： | SNJ54LV174AFK |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | HEX D-TYPE FLIP-FLOPS WITH CLEAR |
| 中文描述： | 六角D型倒裝，沒(méi)有明確的觸發(fā)器 |
| 文件頁(yè)數(shù)： | 4/18頁(yè) |
| 文件大?。?/td> | 416K |
| 代理商： | SNJ54LV174AFK |
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SCLS401G APRIL 1998 REVISED APRIL 2005
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements over recommended operating free-air temperature range, V
CC
= 2.5 V
±
0.2 V
(unless otherwise noted) (see Figure 1)
TA = 25
°
C
TYP
SN54LV174A
MIN
6.5
SN74LV174A
MIN
6.5
UNIT
MIN
MAX
MAX
MAX
tw
Pulse duration
CLR low
6
ns
CLK high or low
7
7
7
tsu
Setup time before CLK
↑
Data
8.5
9.5
9.5
ns
CLR inactive
4
4
4
th
Hold time, data after CLK
↑
0.5
0
0
ns
timing requirements over recommended operating free-air temperature range, V
CC
= 3.3 V
±
0.3 V
(unless otherwise noted) (see Figure 1)
TA = 25
°
C
TYP
SN54LV174A
SN74LV174A
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
tw
Pulse duration
CLR low
5
5
5
ns
CLK high or low
5
5
5
tsu
Setup time before CLK
↑
Data
5
6
6
ns
CLR inactive
3
3
3
th
Hold time, data after CLK
↑
0
0
0
ns
timing requirements over recommended operating free-air temperature range, V
CC
= 5 V
±
0.5 V
(unless otherwise noted) (see Figure 1)
TA = 25
°
C
TYP
SN54LV174A
MIN
5
SN74LV174A
MIN
5
UNIT
MIN
MAX
MAX
MAX
tw
Pulse duration
CLR low
5
ns
CLK high or low
5
5
5
tsu
Setup time before CLK
↑
Data
4.5
4.5
4.5
ns
CLR inactive
2.5
2.5
2.5
th
Hold time, data after CLK
↑
0.5
0.5
0.5
ns
switching characteristics over recommended operating free-air temperature range,
V
CC
= 2.5 V
±
0.2 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
LOAD
TA = 25
°
C
TYP
115*
SN54LV174A
MIN
50*
SN74LV174A
MIN
50
UNIT
(OUTPUT)
CAPACITANCE
MIN
55*
MAX
MAX
MAX
fmax
CL = 15 pF
CL = 50 pF
MHz
45
90
40
1*
40
1
tpd
CLR
Q
CL = 15 pF
6.3*
17.3*
19.5*
19.5
ns
CLK
8.4*
17.1*
1*
19*
1
19
tpd
CLR
Q
8.2
21.9
1
23.5
1
23.5
CLK
CL = 50 pF
10.8
20.6
1
23
1
23
ns
tsk(o)
2
2
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
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