74AHC245; 74AHCT245
Octal bus transceiver; 3-state
Rev. 6 — 3 July 2020
Product data sheet
1. General description
The 74AHC245; 74AHCT245 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 are overvoltage tolerant. This feature allows the
use of these devices as translators in mixed voltage environments.
2. Features and benefits
• Wide supply voltage range from 2.0 V to 5.5 V
• Balanced propagation delays
• All inputs have Schmitt-trigger action
• Overvoltage tolerant inputs to 5.5 V
• High noise immunity
• CMOS low power dissipation
• Input levels:
• For 74AHC245: CMOS level
• For 74AHCT245: TTL level
• ESD protection:
• HBM JESD22-A114F exceeds 2000 V
• MM JESD22-A115-A exceeds 200 V
• CDM JESD22-C101E exceeds 1000 V
• Latch-up performance exceeds 100 mA per JESD 78 Class II Level A
• Multiple package options
• 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 Name
Description
Version
74AHC245D
74AHCT245D
-40 °C to +125 °C SO20
plastic small outline package; 20 leads;
body width 7.5 mm
SOT163-1
74AHC245PW
74AHCT245PW
-40 °C to +125 °C
TSSOP20 plastic thin shrink small outline package;
20 leads; body width 4.4 mm
SOT360-1
74AHC245BQ
74AHCT245BQ
-40 °C to +125 °C
DHVQFN20 plastic dual in-line compatible thermal
SOT764-1
enhanced very thin quad flat package; no leads;
20 terminals; body 2.5 × 4.5 × 0.85 mm
