74HC4516 Datasheet, PDF (9/14 Pages) NXP Semiconductors – Binary up/down counter

Philips Semiconductors
Binary up/down counter
Product specification
74HC/HCT4516
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t_r = t_f = 6 ns; C_L = 50 pF
T_amb (°C)
SYMBOL
PARAMETER
74HCT
+25
−40 to +85
min. typ. max. min. max.
t_PHL/ t_PLH
t_PHL
t_PLH/ t_PHL
t_PHL/ t_PLH
propagation delay
CP to Q_n
propagation delay
MR to Q_n
propagation delay
PL to Q_n
propagation delay
CP to TC
28 50
63
24 42
53
32 53
66
29 58
73
t_PHL/ t_PLH
propagation delay
CE to TC
18 31
39
t_PLH
propagation delay
MR to TC
31 50
63
t_PLH/ t_PHL
propagation delay
PL to TC
34 68
85
t_TLH/ t_THL output transition time
7 15
19
TEST CONDITIONS
−40 to+125
UNIT
V_CC
(V)
WAVEFORMS
min. max.
75 ns 4.5 Fig.7
63 ns 4.5 Fig.10
80 ns 4.5 Fig.9
87 ns 4.5 Fig.7
47 ns 4.5 Fig.8
75 ns 4.5 Fig.10
102 ns 4.5 Fig.9
22 ns 4.5 Fig.9
t_W
clock pulse width CP, 16 9
CE HIGH or LOW
20
24
t_W
parallel load pulse 16 8
width HIGH
20
24
t_W
master rest pulse
20 5
width HIGH
25
30
t_rem
removal time
23 14
29
35
MR to CP
t_rem
removal time
17 10
21
26
PL to CP
t_su
set-up time
20 11
25
30
UP/DN to CP
t_su
set-up time
CE to CP
20 9
25
30
t_su
set-up time
D_n to PL
t_h
hold time
CE to CP
20 9
10 9
25
30
13
15
ns 4.5 Fig.7
ns 4.5 Fig.10
ns 4.5 Fig.10
ns 4.5 Fig.10
ns 4.5 Fig.10
ns 4.5 Fig.8
ns 4.5 Fig.8
ns 4.5 Fig.11
ns 4.5 Fig.8
December 1990
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