1. General description
The 74HC251-Q100; 74HCT251-Q100 is an 8-bit multiplexer with eight binary inputs (I0
to I7), three select inputs (S0 to S2) and an output enable input (OE
). The select inputs
select one of the eight binary inputs and route it to the complementary outputs (Y and Y
).
A HIGH on OE
causes the outputs to assume a high-impedance OFF-state. Inputs include
clamp diodes that enable the use of current limiting resistors to interface inputs to voltages
in excess of V
CC
.
This product has been qualified to the Automotive Electronics Council (AEC) standard
Q100 (Grade 1) and is suitable for use in automotive applications.
2. Features and benefits
Automotive product qualification in accordance with AEC-Q100 (Grade 1)
Specified from 40 C to +85 C and from 40 C to +125 C
Input levels:
For 74HC251-Q100: CMOS level
For 74HCT251-Q100: TTL level
Low-power dissipation
Non-inverting data path
Specified in compliance with JEDEC standard no. 7A
ESD protection:
MIL-STD-883, method 3015 exceeds 2000 V
HBM JESD22-A114F exceeds 2000 V
MM JESD22-A115-A exceeds 200 V (C = 200 pF, R = 0 )
Multiple package options
3. Ordering information
74HC251-Q100; 74HCT251-Q100
8-input multiplexer; 3-state
Rev. 1 — 12 August 2013 Product data sheet
Table 1. Ordering information
Type number Package
Temperature range Name Description Version
74HC251D-Q100 40 C to +125 C SO16 plastic small outline package; 16 leads; body width
3.9 mm
SOT109-1
74HCT251D-Q100
74HC251PW-Q100 40 C to +125 C TSSOP16 plastic thin shrink small outline package; 16 leads;
body width 4.4 mm
SOT403-1
74HCT251PW-Q100
