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SN74LS253D View Datasheet(PDF) - ON Semiconductor

Part NameDescriptionManufacturer
SN74LS253D Dual 4-Input Multiplexer with 3-State Outputs ON-Semiconductor
ON Semiconductor ON-Semiconductor
SN74LS253D Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
SN74LS253
CONNECTION DIAGRAM DIP (TOP VIEW)
VCC E0b S0 I3b I2b I1b I0b Zb
16 15 14 13 12 11 10 9
NOTE:
The Flatpak version has the same
pinouts (Connection Diagram) as
the Dual In-Line Package.
1 2 3 4 56 78
E0a S1 I3a I2a I1a I0a Za GND
PIN NAMES
S0, S1
Multiplexer A
E0a
I0a – I3a
Za
Multiplexer B
E0b
I0b – I3b
Zb
Common Select Inputs
Output Enable (Active LOW) Input
Multiplexer Inputs
Multiplexer Output
Output Enable (Active LOW) Input
Multiplexer Inputs
Multiplexer Output
NOTES:
a) 1 TTL Unit Load (U.L.) = 40 mA HIGH/1.6 mA LOW.
LOADING (Note a)
HIGH
LOW
0.5 U.L.
0.25 U.L.
0.5 U.L.
0.5 U.L.
65 U.L.
0.25 U.L.
0.25 U.L.
15 U.L.
0.5 U.L.
0.5 U.L.
65 U.L.
0.25 U.L.
0.25 U.L.
15 U.L.
LOGIC SYMBOL
1 6 5 4 3 10 11 12 13 15
14
S0E0a I0a I1a I2a I3a I0b I1b I2b I3b E0b
2
S1
Za
Zb
7
9
VCC = PIN 16
GND = PIN 8
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