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nexperia

74AHCT245BQ Datasheet Preview

74AHCT245BQ Datasheet

Octal bus transceiver

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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




nexperia

74AHCT245BQ Datasheet Preview

74AHCT245BQ Datasheet

Octal bus transceiver

No Preview Available !

Nexperia
4. Functional diagram
DIR
1
2 A0
3 A1
4 A2
A3
5
6 A4
7 A5
8 A6
9 A7
Fig. 1. Logic symbol
OE 19
B0 18
B1 17
B2 16
B3 15
B4 14
B5 13
B6 12
B7 11
mna174
74AHC245; 74AHCT245
Octal bus transceiver; 3-state
19
G3
1
3EN1
3EN2
1
2
2
18
3
17
4
16
5
15
6
14
7
13
8
12
9
11
mna175
Fig. 2. IEC logic symbol
74AHC_AHCT245
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 6 — 3 July 2020
© Nexperia B.V. 2020. All rights reserved
2 / 16


Part Number 74AHCT245BQ
Description Octal bus transceiver
Maker nexperia
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