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參數(shù)資料
| 型號： | SN54LV174A |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 3.3V, High-Bandwidth Bus Switch, 4-Bit, w/High Enables |
| 中文描述： | 六角D型倒裝，沒有明確的觸發(fā)器 |
| 文件頁數(shù)： | 4/7頁 |
| 文件大小： | 146K |
| 代理商： | SN54LV174A |
SN54LV174A, SN74LV174A
HEX D-TYPE FLIP-FLOPS
WITH CLEAR
SCLS401B – APRIL 1998 – REVISED JULY 1998
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
Set p time before CLK
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
Set p time before CLK
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
Set p time before CLK
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
6.3
40
1
40
1
tpd*
CLR
Q
CL= 15 pF
CL = 15 pF
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.
Skew between any two outputs of the same package switching in the same direction
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
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|---|---|
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