SN74LS299 Motorola, SN74LS299 Datasheet - Page 4

• Manufacturer Part Number: SN74LS299
• Description: 8-BIT SHIFT/STORAGE REGISTER WITH 3-STATE OUTPUTS
• Manufacturer: Motorola

AC CHARACTERISTICS
AC SETUP REQUIREMENTS
f MAX
t PHL
t PLH
t PHL
t PHL
t PLH
t PHL
t PZH
t PZL
t PHZ
t PLZ
t W
t W
t W
t s
t s
t h
t h
t rec
Symbol
Symbol
Symbol
Symbol
Maximum Clock Frequency
Propagation Delay, Clock
to Q 0 or Q 7
Propagation Delay, Clear
to Q 0 or Q 7
Propagation Delay, Clock
to I/O 0 – I/O 7
Propagation Delay, Clear
to I/O 0 – I/O 7
Output Enable Time
Output Disable Time
Clock Pulse Width HIGH
Clock Pulse Width LOW
Clear Pulse Width LOW
Data Setup Time
Select Setup Time
Data Hold Time
Select Hold Time
Recovery Time
(T A = 25 C, V CC = 5.0 V)
Parameter
Parameter
Parameter
Parameter
(T A = 25 C, V CC = 5.0 V)
FAST AND LS TTL DATA
SN54/74LS299
Min
Min
25
25
13
20
20
35
10
20
0
Limits
Limits
5-482
Typ
Typ
35
26
22
27
26
17
26
13
19
10
10
Max
Max
39
33
40
39
25
40
21
30
15
15
MHz
Unit
Unit
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Test Conditions
Test Conditions
Test Conditions
Test Conditions
V CC = 5.0 V
V CC = 5.0 V
V CC = 5.0 V
V CC = 5.0 V
V CC = 5.0 V
C L = 5.0 pF
C L = 45 pF,
C L = 45 pF,
R L = 667
R L = 667
C L = 15 pF
C L = 15 pF
L = 15 pF