HCF4518B_02 Datasheet, PDF (6/11 Pages) STMicroelectronics – DUAL BCD UP COUNTER

HCF4518B
DYNAMIC ELECTRICAL CHARACTERISTICS (T_amb = 25°C, C_L = 50pF, R_L = 200KΩ, t_r = t_f = 20 ns)
Symbol
Parameter
V_DD (V)
t_PLH t_PHL Propagation Delay Time
5
Clock or Enable to Output
10
15
t_PLH t_PHL Propagation Delay Time
5
Reset to Output
10
15
t_TLH t_THL Transition Time
5
10
15
t_W Clock Pulse Width
5
10
15
t_W Reset Pulse Width
5
10
15
t_W Enable Pulse Width
5
10
15
t_r , t_f
Clock or Enable Rise and
Fall Time
5
10
15
f_MAX Maximum Clock
5
Frequency
10
15
t_r , t_f Clock Input Rise or Fall
5
Time
10
15
(*) Typical temperature coefficient for all V_DD value is 0.3 %/°C.
Test Condition
Value (*)
Unit
Min.
200
100
70
250
110
80
400
200
140
1.5
3
4
Typ.
280
115
80
330
130
90
100
50
40
100
50
35
125
55
40
200
100
70
3
6
8
Max.
560
230
160
650
225
170
200
100
80
15
15
5
15
5
5
ns
ns
ns
ns
ns
ns
µs
MHz
µs
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