74HC245; 74HCT245

Octal bus transceiver; 3-state

Rev. 6 — 6 September 2021

Product data sheet

1. General description

The 74HC245; 74HCT245 is an 8-bit transceiver with 3-state outputs. The device features an

output enable (OE) and send/receive (DIR) for direction control. A HIGH on OE causes the outputs

to assume a high-impedance OFF-state. Inputs include clamp diodes. This enables the use of

current limiting resistors to interface inputs to voltages in excess of VCC.

2. Features and benefits

• Wide supply voltage range from 2.0 to 6.0 V

• CMOS low power dissipation

• High noise immunity

• Octal bidirectional bus interface

• Non-inverting 3-state outputs

• Input levels:

• For 74HC245: CMOS level

• For 74HCT245: TTL level

• Complies with JEDEC standards

• JESD8C (2.7 V to 3.6 V)

• JESD7A (2.0 V to 6.0 V)

• Latch-up performance exceeds 100 mA per JESD 78 Class II Level B

• ESD protection:

• • HBM JESD22-A114F exceeds 2000 V

• MM JESD22-A115-A exceeds 200 V

• Multiple package options

• Specified from -40 °C to +85 °C and from -40 °C to +125 °C

3. Ordering information

Table 1. Ordering information

Package

Type number

Temperature range Name

Description

Version

74HC245D

74HCT245D

-40 °C to +125 °C

SO20

plastic small outline package; 20 leads;

body width 7.5 mm

SOT163-1

74HC245PW

74HCT245PW

-40 °C to +125 °C

TSSOP20

plastic thin shrink small outline package;

20 leads; body width 4.4 mm

SOT360-1

74HC245BQ

74HCT245BQ

-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

SOT764-1