Datasheet

74HC_HCT299_3 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 03 — 28 July 2008 12 of 24
NXP Semiconductors
74HC299; 74HCT299
8-bit universal shift register; 3-state
t
su
set-up time DSR, DSL to CP; see Figure 7
V
CC
= 2.0 V 100 33 - 125 - 150 - ns
V
CC
= 4.5 V 20 12 - 25 - 30 - ns
V
CC
= 6.0 V 17 10 - 21 - 26 - ns
S0, S1 to CP; see
Figure 9
V
CC
= 2.0 V 100 33 - 125 - 150 - ns
V
CC
= 4.5 V 20 12 - 25 - 30 - ns
V
CC
= 6.0 V 17 10 - 21 - 26 - ns
I/On to CP; see
Figure 7
V
CC
= 2.0 V 125 39 - 155 - 190 - ns
V
CC
= 4.5 V 25 14 - 31 - 38 - ns
V
CC
= 6.0 V 21 11 - 26 - 32 - ns
t
h
hold time I/On, DSR, DSL to CP;
see
Figure 7
V
CC
= 2.0 V 0 −14-0-0-ns
V
CC
= 4.5 V 0 −5-0-0-ns
V
CC
= 6.0 V 0 −4-0-0-ns
S0, S1 to CP; see
Figure 9
V
CC
= 2.0 V 0 −28-0-0-ns
V
CC
= 4.5 V 0 −10-0-0-ns
V
CC
= 6.0 V 0 −8-0-0-ns
f
max
maximum
frequency
CP input; see Figure 7
V
CC
= 2.0 V 5.0 15 - 4.0 - 3.4 - MHz
V
CC
= 4.5 V 25 45 - 20 - 17 - MHz
V
CC
= 5.0 V; C
L
= 15 pF -50-----MHz
V
CC
= 6.0 V 29 54 - 24 - 20 - MHz
74HCT299
t
pd
propagation
delay
CP to Q0, Q7; see Figure 7
[1]
V
CC
= 4.5 V - 22 37 - 46 - 56 ns
V
CC
= 5.0 V; C
L
= 15 pF -19-----ns
CP to I/On; see
Figure 7
V
CC
= 4.5 V - 22 37 - 46 - 56 ns
V
CC
= 5.0 V; C
L
= 15 pF -19-----ns
MR to Q0, Q7 or I/On;
see
Figure 8
[2]
V
CC
= 4.5 V - 27 46 - 58 - 69 ns
V
CC
= 5.0 V; C
L
= 15 pF -23-----ns
Table 7. Dynamic characteristics
…continued
GND (ground = 0 V); for test circuit, see Figure 11.
Symbol Parameter Conditions 25 °C −40 °C to
+85 °C
−40 °C to
+125 °C
Unit
Min Typ Max Min Max Min Max