HCC40192B Datasheet, PDF (7/15 Pages) STMicroelectronics – PRESETTABLE UP/DOWN COUNTERS (DUAL CLOCK WITH RESET) 40192B BCD TYPE 40193B BINARY TYPE

HCC/HCF40192B/193B
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 Up or Clock Down to Q
Reset to Q
PE to Q
Test Conditions
V al ue
V _{D D} (V) Min. Typ. Max.
5
250 500
10
120 240
15
90 180
5
200 400
10
100 200
Clock Up to Carry
Clock Down to Borrow
Reset or PR to Borrow or Carry
15
70 140
5
160 320
10
80 160
15
60 120
5
300 600
t _{T HL},
t_TLH
Transition Time
10
150 300
15
110 220
5
100 200
10
50 100
15
40 80
t _{re m}*
Removal Time
Reset or PE
t_W
Clock Input Pulse Width
Reset
PE
5
80 40
10
40 20
15
30 15
5
480 240
10 300 150
15 260 130
5
120 240
10
85 170
15
70 140
Clock
5
90 180
10
45 90
15
30 60
t_r, t_f Clock Input Rise or Fall Time
5
15
10
15
f_CL
Maximum Clock Input Frequency
15
5
5
2
4
10
5
8
15
5.5 11
* The time required for Reset or Preset Enable control to be removed before clocking (see timing diagram).
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
MHz
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