N74ALS153N Просмотр технического описания (PDF) - Philips Electronics
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N74ALS153N Datasheet PDF : 9 Pages
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Philips Semiconductors
Dual 4-input multiplexer
Product specification
74ALS153
FEATURES
• Non–inverting outputs
• Common select outputs
• Separate enable for each section
• See 74ALS253 for 3–State version
DESCRIPTION
The 74ALS153 has two identical 4–input multiplexer with 3–State
outputs which selects two bits of data from four sources by using
common select inputs (S0, S1). The two 4–input multiplexer circuits
have individual active–Low enables (Ea, Eb) which can be used to
strobe the outputs independently. Outputs (Ya, Yb) are forced Low
when the corresponding enable is high.
The 74ALS153 is the logic implementation of a 2–pole, 4–position
switch where the position of the switch is determined by the logic
levels supplied to the common select inputs.
TYPE
TYPICAL
PROPAGATION DELAY
74ALS153
7.0ns
TYPICAL
SUPPLY CURRENT
(TOTAL)
6.5mA
PIN CONFIGURATION
Ea 1
S1 2
I3a 3
I2a 4
I1a 5
I0a 6
Ya 7
GND 8
16 VCC
15 Eb
14 S0
13 I3b
12 I2b
11 I1b
10 I0b
9 Yb
SF00146
ORDERING INFORMATION
ORDER CODE
DESCRIPTION
COMMERCIAL RANGE
VCC = 5V ±10%,
Tamb = 0°C to +70°C
16-pin plastic DIP
74ALS153N
16-pin plastic SO
74ALS153D
16-pin plastic SSOP
Type II
74ALS153DB
DRAWING
NUMBER
SOT38-4
SOT109-1
SOT338-1
INPUT AND OUTPUT LOADING AND FAN-OUT TABLE
PINS
DESCRIPTION
74ALS (U.L.)
HIGH/LOW
Ioa – I3a
Port A data inputs
1.0/1.0
Iob – I3b
Port B data inputs
1.0/1.0
S0, S1
Common select inputs
1.0/1.0
Ea
Port A enable input
1.0/1.0
Eb
Port B enable input
1.0/1.0
Ya, Yb
Data outputs
130/240
NOTE: One (1.0) ALS unit load is defined as: 20µA in the High state and 0.1mA in the Low state.
LOAD VALUE
HIGH/LOW
20µA/0.1mA
20µA/0.1mA
20µA/0.1mA
20µA/0.1mA
20µA/0.1mA
2.6mA/24mA
LOGIC SYMBOL
IEC/IEEE SYMBOL
6 5 4 3 10 11 12 13
I0a I1a I2a I3a I0b I1b I2b I3b
14
S0
2
S1
1
Ea
15
Eb
Ya
Yb
VCC = Pin 16
GND = Pin 8
7
9
SF00147
14
2
0
1
G
0
3
1
EN MUX
6
0
5
1
4
2
3
3
15
10
11
12
13
7
9
SF00148
1991 Feb 08
2
853–1376 01670
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