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Número de pieza
componentes Descripción
SN74LS299DW Ver la hoja de datos (PDF) - Motorola => Freescale
Número de pieza
componentes Descripción
Fabricante
SN74LS299DW
8-BIT SHIFT/STORAGE REGISTER WITH 3-STATE OUTPUTS
Motorola => Freescale
SN74LS299DW Datasheet PDF : 7 Pages
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SN54 / 74LS299
AC CHARACTERISTICS
(TA = 25
°
C, VCC = 5.0 V)
Limits
Symbol
Parameter
Min Typ Max
fMAX
Maximum Clock Frequency
25
35
tPHL
tPLH
Propagation Delay, Clock
to Q0 or Q7
26
39
22
33
tPHL
Propagation Delay, Clear
to Q0 or Q7
27
40
tPHL
tPLH
Propagation Delay, Clock
to I/O0 – I/O7
26
39
17
25
tPHL
Propagation Delay, Clear
to I/O0 – I/O7
26
40
tPZH
tPZL
Output Enable Time
13
21
19
30
tPHZ
tPLZ
Output Disable Time
10
15
10
15
AC SETUP REQUIREMENTS
(TA = 25
°
C, VCC = 5.0 V)
Limits
Symbol
Parameter
Min Typ Max
tW
Clock Pulse Width HIGH
25
tW
Clock Pulse Width LOW
13
tW
Clear Pulse Width LOW
20
ts
Data Setup Time
20
ts
Select Setup Time
35
th
Data Hold Time
0
th
Select Hold Time
10
trec
Recovery Time
20
Unit
MHz
ns
ns
ns
ns
ns
ns
Unit
ns
ns
ns
ns
ns
ns
ns
ns
Test Conditions
CL = 15 pF
CL = 45 pF,
RL = 667
Ω
CL = 5.0 pF
Test Conditions
VCC = 5.0 V
FAST AND LS TTL DATA
5-482
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