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參數(shù)資料
| 型號： | SNJ54ACT574J |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS |
| 中文描述： | 八路D型沿觸發(fā)器與觸發(fā)器3態(tài)輸出 |
| 文件頁數(shù)： | 4/15頁 |
| 文件大小： | 519K |
| 代理商： | SNJ54ACT574J |
SN54ACT574, SN74ACT574
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCAS537D
–
OCTOBER 1995
–
REVISED NOVEMBER 2002
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
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
MIN
SN54ACT574
MIN
SN74ACT574
MIN
UNIT
MAX
MAX
MAX
fclock
tw
tsu
th
Clock frequency
100
70
85
MHz
Pulse duration, CLK high or low
Setup time, data before CLK
↑
Hold time, data after CLK
↑
3
5
4
ns
2.5
3.5
2.5
ns
1
2
1
ns
switching characteristics over recommended operating free-air temperature range,
V
CC
= 5 V
±
0.5V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
TA = 25
°
C
TYP
SN54ACT574
SN74ACT574
UNIT
(OUTPUT)
MIN
MAX
MIN
MAX
MIN
MAX
fmax
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
100
110
70
85
MHz
CLK
Q
2.5
7
11
1.5
13.5
2
12
ns
2
6.5
10
1.5
12.5
1.5
11
OE
Q
2
6.4
9.5
1.5
11
1.5
10
ns
2
6
9
1.5
11
1.5
10
OE
Q
2
2
7
10.5
8.5
1.5
1.5
12
10
1.5
1.5
11.5
ns
5.5
9
operating characteristics, V
CC
= 5 V, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance
CL = 50 pF,
f = 1 MHz
40
pF
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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