74HC299 Datasheet, PDF (9/11 Pages) NXP Semiconductors – 8-bit universal shift register; 3-state

Philips Semiconductors
8-bit universal shift register; 3-state
Product specification
74HC/HCT299
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t_r = t_f = 6 ns; C_L = 50 pF
T_amb (°C)
TEST CONDITIONS
SYMBOL PARAMETER
min.
+25
typ.
74HCT
−40 to +85
max. min. max.
−40 to +125
min. max.
UNIT
V_CC ^WAVEFORMS
(V)
t_PHL/ t_PLH
t_PHL/ t_PLH
t_PHL
t_PZH/ t_PZL
t_PHZ
t_PLZ
t_THL/ t_TLH
t_THL/ t_TLH
t_W
t_W
t_rem
t_su
t_su
t_h
t_h
f_max
propagation delay
CP to Q₀, Q₇
propagation delay
CP to I/O_n
propagation delay
MR to Q₀, Q₇ or I/O_n
3-state output enable time
OE_n to I/O_n
3-state output disable time
OE_n to I/O_n
3-state output disable time
OE_n to I/O_n
output transition time
bus driver (I/O_n)
output transition time
standard (Q₀, Q₇)
clock pulse width
20
HIGH or LOW
master reset pulse width 20
LOW
removal time
10
MR to CP
set-up time
25
I/O_n, D_SR, D_SL to CP
set-up time
32
S₀, S₁ to CP
hold time
0
I/O_n, D_SR, D_SL to CP
hold time
0
S₀, S₁ to CP
maximum clock pulse
25
frequency
22 37
22 37
27 46
19 30
24 37
20 32
5 12
7 15
10
11
2
14
18
−11
−17
42
46
46
58
38
46
40
15
19
25
25
9
31
40
0
0
20
56
56
69
45
56
48
18
22
30
30
11
38
48
0
0
17
ns 4.5 Fig.6
ns 4.5 Fig.6
ns 4.5 Fig.7
ns 4.5 Fig.9
ns 4.5 Fig.9
ns 4.5 Fig.9
ns 4.5 Fig.6
ns 4.5 Fig.6
ns 4.5 Fig.6
ns 4.5 Fig.7
ns 4.5 Fig.7
ns 4.5 Fig.6
ns 4.5 Fig.8
ns 4.5 Fig.6
ns 4.5 Fig.8
MHz 4.5 Fig.6
December 1990
9