M74HC4520 STMICROELECTRONICS [STMicroelectronics], M74HC4520 Datasheet - Page 6

• Manufacturer Part Number: M74HC4520
• Description: DUAL 4 BIT BINARY COUNTER
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M74HC4520
AC ELECTRICAL CHARACTERISTICS (C
CAPACITIVE CHARACTERISTICS
1) C
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I
COUNTER)
6/12
t
t
Symbol
Symbol
TLH
PLH
t
t
f
t
t
t
C
PD
MAX
W(H)
W(L)
W(L)
REM
C
PHL
PD
IN
t
t
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
THL
PHL
Output Transition
Time
Propagation Delay
Time
(CLOCK, CE - Qn)
Propagation Delay
Time
(CLEAR - Qn)
Maximum Clock
Frequency
Minimum Pulse
Width
(CLOCK ,CE)
Minimum Pulse
Width
(CLEAR)
Minimum Removal
Time
(CLEAR)
Input Capacitance
Power Dissipation
Capacitance (note
1)
Parameter
Parameter
V
V
(V)
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
(V)
CC
CC
Test Condition
Test Condition
L
= 50 pF, Input t
Min.
Min.
30
35
6
T
T
A
A
r
Typ.
Typ.
= 25°C
= 25°C
30
72
22
18
65
20
16
23
51
60
25
20
21
32
= t
8
7
6
5
5
4
3
3
5
f
= 6ns)
Max.
Max.
160
150
75
15
13
32
27
30
26
75
15
13
75
15
13
50
10
10
9
Value
Value
-40 to 85°C
Min.
-40 to 85°C
Min.
4.8
CC(opr)
24
28
= C
Max.
Max.
200
190
95
19
16
40
34
38
33
95
19
16
95
19
16
60
12
10
11
PD
x V
-55 to 125°C
-55 to 125°C
Min.
Min.
CC
20
24
4
x f
IN
Max.
Max.
+ I
240
225
110
110
110
22
19
48
41
45
38
22
19
22
19
75
15
13
10
CC
/2 (per
MHz
Unit
Unit
pF
pF
ns
ns
ns
ns
ns
ns