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參數(shù)資料
| 型號： | SN54HCT574 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Octal Positive-Edge-Triggered D-Type Flip-Flops(八上升沿D觸發(fā)器(三態(tài)同相輸出)) |
| 中文描述： | 八路上升沿觸發(fā)D型正反器（八上升沿?觸發(fā)器（三態(tài)同相輸出）） |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 156K |
| 代理商： | SN54HCT574 |
SN54HCT574, SN74HCT574
OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCLS177B – MARCH 1984 – REVISED JULY 1996
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range, C
L
= 50 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
VCC
TA = 25
°
C
TYP
SN54HCT574
MIN
20
SN74HCT574
MIN
24
UNIT
(OUTPUT)
MIN
30
MAX
MAX
MAX
fmax
4.5 V
36
MHz
5.5 V
33
40
22
27
tpd
CLK
Any Q
4.5 V
30
36
54
45
ns
5.5 V
25
32
48
41
ten
OE
Any Q
4.5 V
26
30
45
38
ns
5.5 V
23
27
41
34
tdis
OE
Any Q
4.5 V
23
30
45
38
ns
5.5 V
22
27
41
34
tt
Any Q
4.5 V
5.5 V
10
9
12
11
18
16
15
14
ns
switching characteristics over recommended operating free-air temperature range, C
L
= 150 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
VCC
TA = 25
°
C
TYP
SN54HCT574
SN74HCT574
UNIT
(OUTPUT)
MIN
30
MAX
MIN
20
MAX
MIN
24
MAX
fmax
4.5 V
36
MHz
5.5 V
33
40
22
27
tpd
CLK
Any Q
4.5 V
40
53
80
66
ns
5.5 V
35
47
71
60
ten
OE
Any Q
4.5 V
34
47
71
59
ns
5.5 V
29
39
94
78
tt
Any Q
4.5 V
5.5 V
18
16
42
38
63
57
53
48
ns
operating characteristics, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance per flip-flop
No load
93
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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