74HC40102 Datasheet, PDF (6/11 Pages) NXP Semiconductors – 8-bit synchronous BCD down counter

Philips Semiconductors
8-bit synchronous BCD down counter
Product specification
74HC/HCT40102
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: standard
I_CC category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t_r = t_f = 6 ns; C_L = 50 pF
T_amb (°C)
TEST CONDITIONS
SYMBOL PARAMETER
74HC
+25
−40 to +85
−40 to +125
UNIT
V_CC
(V)
WAVEFORMS
min. typ. max. min. max. min. max.
t_PHL/ t_PLH propagation delay
CP to TC
t_PHL/ t_PLH propagation delay
TE to TC
96 300
375
35 60
75
28 51
64
50 200
250
18 40
50
14 34
43
450 ns
90
77
300 ns
60
51
2.0 Fig.8
4.5
6.0
2.0 Fig.8
4.5
6.0
t_PHL/ t_PLH propagation delay
P_n, PL to TC
110 240
425
40 68
85
32 58
72
510 ns
102
87
2.0 Fig.8
4.5
6.0
t_PLH
propagation delay
MR to TC
t_THL/ t_TLH output transition time
83 275
345
30 55
69
24 47
59
9 75
95
7 15
19
6 13
16
415 ns
83
71
110 ns
22
19
2.0 Fig.8
4.5
6.0
2.0 Figs 8 and 8
4.5
6.0
t_W
clock pulse width
HIGH or LOW
165 22
33 8
28 6
205
250
41
50
35
43
ns 2.0 Fig.8
4.5
6.0
t_W
master reset pulse width 150 30
LOW
30 11
26 9
t_W
preset enable pulse width 125 39
PL; LOW
25 14
21 11
190
225
38
45
33
38
155
190
31
38
26
32
ns 2.0 Fig.8
4.5
6.0
ns 2.0 Fig.8
4.5
6.0
t_rem
removal time
PL; MR to CP
50 8
10 3
92
65
75
13
15
11
13
ns 2.0 Fig.8
4.5
6.0
t_su
set-up time
PE to CP
t_su
set-up time
TE to CP
100 36
20 13
17 10
175 50
35 18
30 14
125
150
25
30
21
26
220
265
44
53
37
45
ns 2.0 Fig.8
4.5
6.0
ns 2.0 Fig.8
4.5
6.0
December 1990
6