74HC253 Datasheet, PDF (4/17 Pages) NXP Semiconductors – Dual 4-input multiplexer; 3-state

NXP Semiconductors
74HC253; 74HCT253
Dual 4-input multiplexer; 3-state
6.2 Pin description
Table 2. Pin description
Symbol
Pin
1OE, 2OE
1, 15
S0, S1
14, 2
1I0, 1I1, 1I2, 1I3
6, 5, 4, 3
1Y
7
GND
8
2Y
9
2I0, 2I1, 2I2, 2I3
10, 11, 12, 13
V_CC
16
Description
output enable inputs (active LOW)
data select inputs
data inputs source 1
multiplexer output source 1
ground (0 V)
multiplexer output source 2
data inputs source 2
supply voltage
7. Functional description
Table 3. Function table^[1]
select Inputs
data inputs
output enable output
S0
S1
nI0
nI1
nI2
nI3
nOE
nY
X
X
X
X
X
X
H
Z
L
L
L
X
X
X
L
L
L
L
H
X
X
X
L
H
H
L
X
L
X
X
L
L
H
L
X
H
X
X
L
H
L
H
X
X
L
X
L
L
L
H
X
X
H
X
L
H
H
H
X
X
X
L
L
L
H
H
X
X
X
H
L
H
[1] H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state.
8. Limiting values
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol
Parameter
Conditions
Min Max Unit
V_CC
supply voltage
I_IK
input clamping current
I_OK
output clamping current
I_O
output current
V_I < −0.5 V or V_I > V_CC + 0.5 V
V_O < −0.5 V or V_O > V_CC + 0.5 V
−0.5 V < V_O < V_CC + 0.5 V
−0.5 +7.0 V
[1] _-
±20 mA
[1] _-
±50 mA
-
±35 mA
I_CC
I_GND
T_stg
supply current
ground current
storage temperature
-
70
mA
−70 -
mA
−65 +150 °C
74HC_HCT253_3
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 03 — 22 April 2010
© NXP B.V. 2010. All rights reserved.
4 of 17