参数资料
型号: 74VHC594
厂商: 意法半导体
英文描述: 8 BIT SHIFT REGISTER WITH OUTPUT REGISTER
中文描述: 8位元移位寄存器与输出寄存器
文件页数: 6/14页
文件大小: 308K
代理商: 74VHC594
74VHC594
6/14
Table 7: AC Electrical Characteristics
(Input t
r
= t
f
= 3ns)
(*) Voltage range is 3.3V
±
0.3V
(**) Voltage range is 5.0V
±
0.5V
Symbol
Parameter
Test Condition
Value
Unit
V
CC
(V)
C
L
(pF)
T
A
= 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
t
PLH
t
PHL
Propagation Delay
Time (RCK - Qn)
3.3
(*)
3.3
(*)
5.0
(**)
5.0
(**)
3.3
(*)
3.3
(*)
5.0
(**)
5.0
(**)
3.3
(*)
3.3
(*)
5.0
(**)
5.0
(**)
3.3
(*)
3.3
(*)
5.0
(**)
5.0
(**)
3.3
(*)
3.3
(*)
5.0
(**)
5.0
(**)
3.3
(*)
5.0
(**)
3.3
(*)
5.0
(**)
3.3
(*)
5.0
(**)
3.3
(*)
5.0
(**)
3.3
(*)
5.0
(**)
3.3
(*)
5.0
(**)
3.3
(*)
5.0
(**)
15
4.9
8.2
1.0
8.8
1.0
8.8
ns
50
8.1
11.9
1.0
13.1
1.0
13.1
15
4.2
6.5
1.0
6.9
1.0
6.9
50
6.7
8.9
1.0
9.7
1.0
9.7
t
PLH
t
PHL
Propagation Delay
Time (SCK - QH’)
15
5.5
9.2
1.0
9.9
1.0
9.9
ns
50
8.4
12.5
1.0
13.9
1.0
13.9
15
4.1
7.2
1.0
7.6
1.0
7.6
50
6.0
9.2
1.0
10.1
1.0
10.1
t
PHL
Propagation Delay
Time (RCLR) - Qn)
15
6.0
9.8
1.0
10.6
1.0
10.6
ns
50
9.0
13.1
1.0
14.4
1.0
14.4
15
4.5
7.6
1.0
8.2
1.0
8.2
50
6.6
10.0
1.0
10.7
1.0
10.7
t
PLH
t
PHL
Propagation Delay
Time (SCLR - QH’)
15
5.6
9.2
1.0
10.0
1.0
10.0
ns
50
8.5
12.4
1.0
14.0
1.0
14.0
15
4.1
7.1
1.0
7.6
1.0
7.6
50
6.0
9.2
1.0
10.1
1.0
10.1
f
MAX
Maximum Clock
Frequency
15
80
120
70
70
MHz
50
55
105
50
50
15
135
170
115
115
50
120
140
95
95
t
W(H)
Minimum Pulse
Width (SCK, RCK)
5.5
5.5
5.5
ns
5.0
5.0
5.0
t
W(L)
Minimum Pulse
Width
(SCLR,RCLR)
5.0
5.0
5.0
ns
5.2
5.2
5.2
t
s
Minimum Set-Up
Time (SI - CCK)
3.5
3.5
3.5
ns
3.0
3.0
3.0
t
s
Minimum Set - Up
Time (SCK, RCK)
8.0
8.5
8.5
ns
5.0
5.0
5.0
t
s
Minimum Set - Up
Time (SCRL - RCK)
8.0
9.0
9.0
ns
5.0
5.0
5.0
t
h
Minimum Hold
Time
1.5
1.5
1.5
ns
2.0
2.0
2.0
t
REM
Minimum Clear-
Removal Time
3.0
3.0
3.0
ns
2.5
2.5
2.5
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