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參數(shù)資料
| 型號： | SNJ54LV574AFK |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS |
| 中文描述： | 八路邊沿觸發(fā)的D型倒裝3觸發(fā)器態(tài)輸出 |
| 文件頁數(shù)： | 5/17頁 |
| 文件大小： | 519K |
| 代理商： | SNJ54LV574AFK |
SCLS412I APRIL 1998 REVISED APRIL 2005
5
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)
PARAMETER
TA = 25
°
C
MIN
SN54LV574A
MIN
SN74LV574A
MIN
UNIT
MAX
MAX
MAX
tw
tsu
th
Pulse duration
CLK high or low
7
7
7
ns
Setup time
High or low before CLK
↑
5.5
5.5
5.5
ns
Hold time
Data after CLK
↑
2
2
2
ns
timing requirements over recommended operating free-air temperature range, V
CC
= 3.3 V
±
0.3 V
(unless otherwise noted) (see Figure 1)
PARAMETER
TA = 25
°
C
MIN
5
SN54LV574A
SN74LV574A
UNIT
MAX
MIN
MAX
MIN
MAX
tw
tsu
th
Pulse duration
CLK high or low
5
5
ns
Setup time
High or low before CLK
↑
3.5
3.5
3.5
ns
Hold time
Data after CLK
↑
1.5
1.5
1.5
ns
timing requirements over recommended operating free-air temperature range, V
CC
= 5 V
±
0.5 V
(unless otherwise noted) (see Figure 1)
PARAMETER
TA = 25
°
C
MIN
SN54LV574A
MIN
SN74LV574A
MIN
UNIT
MAX
MAX
MAX
tw
tsu
th
Pulse duration
CLK high or low
5
5
5
ns
Setup time
High or low before CLK
↑
3.5
3.5
3.5
ns
Hold time
Data after CLK
↑
1.5
1.5
1.5
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
SN54LV574A
MIN
SN74LV574A
MIN
UNIT
(OUTPUT)
CAPACITANCE
MIN
MAX
MAX
MAX
fmax
CL = 15 pF
CL = 50 pF
60*
100*
50*
50
MHz
50
85
40
40
tpd
ten
tdis
tpd
ten
tdis
tsk(o)
CLK
Q
9.6*
16.6*
1*
20*
1
20
OE
Q
CL = 15 pF
9.2*
16.1*
1*
19*
1
19
ns
OE
Q
6.5*
12.8*
1*
15*
1
15
CLK
Q
11.6
19.6
1
23
1
23
OE
Q
CL = 50 pF
10.9
19
1
22
1
22
ns
OE
Q
8.4
17.5
1
20
1
20
2
2
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
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