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54LS256DMQB 数据表(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 54LS256DMQB
功能描述  Dual 4-Bit Addressable Latch
PDF  6 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

54LS256DMQB 数据表(HTML) 2 Page - National Semiconductor (TI)

  54LS256DMQB Datasheet HTML 1Page - National Semiconductor (TI) 54LS256DMQB Datasheet HTML 2Page - National Semiconductor (TI) 54LS256DMQB Datasheet HTML 3Page - National Semiconductor (TI) 54LS256DMQB Datasheet HTML 4Page - National Semiconductor (TI) 54LS256DMQB Datasheet HTML 5Page - National Semiconductor (TI) 54LS256DMQB Datasheet HTML 6Page - National Semiconductor (TI)  
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background image
Truth Table
Inputs
Outputs
Mode
CL
E
A0
A1
Q0
Q1
Q2
Q3
L
H
X
X
L
L
L
L
Clear
L
L
L
L
D
L
L
L
Demultiplex
LL
H
L
L
D
L
L
LL
L
H
L
L
D
L
L
L
H
H
LLL
D
HH
X
X
Qtb1
Qtb1
Qtb1
Qtb1
Memory
HL
L
L
D
Qtb1
Qtb1
Qtb1
Addressable
HL
H
L
Qtb1
DQtb1
Qtb1
Latch
HL
L
H
Qtb1
Qtb1
DQtb1
HL
H
H
Qtb1
Qtb1
Qtb1
D
tb1 e Bit time before address change or rising edge of E
H e HIGH Voltage Level
L e LOW Voltage Level
X e Immaterial
Mode Selection
E
CL
Mode
L
H
Addressable Latch
H
H
Memory
L
L
Active HIGH 4-Channel Demultiplexers
H
L
Clear
Logic Diagram
TLF9823 – 3
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