74AHCT244 データシートの表示（PDF） - NXP Semiconductors.

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74AHCT244

Octal buffer/line driver; 3-state

NXP Semiconductors. 

74AHC244; 74AHCT244

Octal buffer/line driver; 3-state

Rev. 05 — 20 December 2007

Product data sheet

1. General description

The 74AHC244; 74AHCT244 is a high-speed Si-gate CMOS device.

The 74AHC244; 74AHCT244 has octal non-inverting buffer/line drivers with 3-state

outputs. The 3-state outputs are controlled by the output enable inputs (nOE). A HIGH on

nOE causes the outputs to assume a high-impedance OFF-state.

2. Features

s Balanced propagation delays

s All inputs have a Schmitt-trigger action

s Inputs accepts voltages higher than VCC

s For 74AHC244 only: operates with CMOS input levels

s For 74AHCT244 only: operates with TTL input levels

s ESD protection:

x HBM JESD22-A114E exceeds 2000 V

x MM JESD22-A115-A exceeds 200 V

x CDM JESD22-C101C exceeds 1000 V

s Multiple package options

s Specified from −40 °C to +85 °C and from −40 °C to +125 °C

3. Ordering information

Table 1. Ordering information

Type number Package

Temperature range

74AHC244D

−40 °C to +125 °C

74AHCT244D

74AHC244PW −40 °C to +125 °C

74AHCT244PW

74AHC244BQ −40 °C to +125 °C

74AHCT244BQ

Name

SO20

Description

plastic small outline package; 20 leads;

body width 7.5 mm

Version

SOT163-1

TSSOP20

plastic thin shrink small outline package; 20 leads; SOT360-1

body width 4.4 mm

DHVQFN20

plastic dual-in-line compatible thermal enhanced SOT764-1

very thin quad flat package; no leads; 20 terminals;

body 2.5 × 4.5 × 0.85 mm

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