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SN54LS299 Datasheet(PDF) 2 Page - Motorola, Inc

Part No. SN54LS299
Description  8-BIT SHIFT/STORAGE REGISTER WITH 3-STATE OUTPUTS
Download  7 Pages
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Maker  MOTOROLA [Motorola, Inc]
Homepage  http://www.freescale.com
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SN54LS299 Datasheet(HTML) 2 Page - Motorola, Inc

   
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FAST AND LS TTL DATA
SN54/74LS299
S1 S0
DS0
CLOCK
Q0
MR
OE1
OE2
D
CLR
Q
CK
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
DS7
Q7
VCC = PIN 20
GND = PIN 10
= PIN NUMBERS
14
1
2
6
7
3
8
4
5
9
11
12
13
15
16
17
18
19
D
CLR
Q
CK
D
CLR
Q
CK
D
CLR
Q
CK
D
CLR
Q
CK
D
CLR
Q
CK
D
CLR
Q
CK
D
CLR
Q
CK
LOGIC DIAGRAM
FUNCTION TABLE
INPUTS
RESPONSE
MR
S1
S0
OE1 OE2
CP
DS0
DS7
L
X
X
H
X
X
X
X
Asynchronous Reset; Q0 = Q7 = LOW
I/O Voltage Undetermined
L
X
X
X
H
X
X
X
Asynchronous Reset; Q0 = Q7 = LOW
I/O Voltage Undetermined
L
H
H
X
X
X
X
X
I/O Voltage Undetermined
L
L
X
L
L
X
X
X
Asynchronous Reset; Q0 = Q7 = LOW
L
X
L
L
L
X
X
X
I/O Voltage LOW
H
L
H
X
X
D
X
Shift Right; D
Q0; Q0 Q1; etc.
H
L
H
L
L
D
X
Shift Right; D
Q0 & I/O0; Q0 O1 & I/O1; etc.
H
H
L
X
X
X
D
Shift Left; D
Q7; Q7 Q6; etc.
H
H
L
L
L
X
D
Shift Left; D
Q7 & I/O7; Q7 Q6 & I/O6; etc.
H
H
H
X
X
X
X
Parallel Load; I/On Qn
H
L
L
H
X
X
X
X
Hold: I/O Voltage undetermined
H
L
L
X
H
X
X
X
Hold: I/O Voltage undetermined
H
L
L
L
L
X
X
X
Hold: I/On = Qn
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min
Typ
Max
Unit
VCC
Supply Voltage
54
74
4.5
4.75
5.0
5.0
5.5
5.25
V
TA
Operating Ambient Temperature Range
54
74
– 55
0
25
25
125
70
°C
IOH
Output Current — High
Q0, Q7
54, 74
– 0.4
mA
IOL
Output Current — Low
Q0, Q7
Q0, Q7
54
74
4.0
8.0
mA
IOH
Output Current — High
I/O0 – I/O7
I/O0 – I/O7
54
74
– 1.0
– 2.6
mA
IOL
Output Current — Low
I/O0 – I/O7
I/O0 – I/O7
54
74
12
24
mA


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