74AHCT240-Q100
Octal buffer/line driver; inverting; 3-state
Rev. 2 — 1 March 2016
Product data sheet
1. General description
The 74AHCT240-Q100 is an 8-bit inverting buffer/line drivers with 3-state outputs. This
device can be used as two 4-bit buffers or one 8-bit buffer. It features two output enables
(1OE and 2OE), each controlling four of the 3-state outputs. A HIGH on nOE causes the
outputs to assume a high-impedance OFF-state. Inputs are over voltage tolerant. This
feature allows the use of these devices as translators in mixed voltage environments.
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
Balanced propagation delays
All inputs have a Schmitt-trigger action
Inputs accept voltages higher than VCC
74AHCT240-Q100 operates with TTL input levels
ESD protection:
MIL-STD-883, method 3015 exceeds 2000 V
HBM JESD22-A114F exceeds 2000 V
Multiple package options
74AHCT240-Q100
Nexperia
Octal buffer/line driver; inverting; 3-state
3. Ordering information
Table 1.
Ordering information
Type number
Package
Temperature range
Name
Description
Version
40 C to +125 C
SO20
plastic small outline package; 20 leads;
body width 7.5 mm
SOT163-1
74AHCT240PW-Q100 40 C to +125 C
TSSOP20
plastic thin shrink small outline package; 20 leads; SOT360-1
body width 4.4 mm
74AHCT240BQ-Q100 40 C to +125 C
DHVQFN20 plastic dual in-line compatible thermal enhanced
very thin quad flat package; no leads;
20 terminals; body 2.5 4.5 0.85 mm
74AHCT240D-Q100
SOT764-1
4. Functional diagram
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