HCC40102B Datasheet, PDF (6/13 Pages) STMicroelectronics – 8-STAGE PRESETTABLE SYNCHRONOUS DOWN COUNTERS

HCC/HCF40102B/40103B
DYNAMIC ELECTRICAL CHARACTERISTICS (T _amb = 25°C, C_L = 50pF, R_L = 200kΩ,
typical temperature coefficient for all V_DD values is 0.3%/°C, all input rise and fall time = 20ns)
Symbol
Parameter
t _PHL,
t_PLH
Propagation
Delay Time
Clock to-out
Test Conditions
V al ue
V _{D D} (V) Min. Typ. Max.
5
300 600
10
130 260
15
95 190
Carry In/Counter
Enable-to-output
5
200 400
10
90 180
15
65 130
Asynchronous
Preset
Enable-to-output
Clear-to-output
5
650 1300
10
300 600
15
200 400
5
375 750
10
180 360
t _THL , t_{T L H} Transition Time
15
100 200
5
100 200
10
50 100
15
40 80
t_W
Pulse Width Clock Pulse
Width
5
300 150
10 180 90
CLR Pulse
Width
15
80 40
5
320 160
10 160 80
APE Pulse Width
15 100 50
5
360 180
t _{se t u p} Setup Time
SPE Setup Time
JAM Setup Time
10 160 80
15 120 60
5
280 140
10 140 70
15 100 50
5
200 100
10
80 40
15
60 30
f_CL
Maximum Clock Input Frequency
5
0.7 1.4
10
1.8 3.6
15
2.4 4.8
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
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