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nexperia

74LVT640DB Datasheet Preview

74LVT640DB Datasheet

Octal transceiver

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74LVT640
3.3 V Octal transceiver with direction pin; inverting; 3-state
Rev. 3 — 10 April 2017
Product data sheet
1 General description
The 74LVT640 is a high-performance BiCMOS product designed for VCC operation
at 3.3 V.
This device is an octal transceiver featuring inverting 3-state bus compatible outputs in
both send and receive directions. The control function implementation minimizes external
timing requirements. The device features an output enable (OE) input for easy cascading
and a direction (DIR) input for direction control.
2 Features and benefits
3-state buffers
Octal bidirectional bus interface
Input and output interface capability to systems at 5 V supply
TTL input and output switching levels
Output capability: +64 mA and -32 mA
Bus-hold data inputs eliminate the need for external pull-up resistors for unused inputs
Live insertion/extraction permitted
Power-up 3-state
No bus current loading when output is tied to 5 V bus
Latch-up protection:
JESD78: exceeds 500 mA
ESD protection:
MIL STD 883 method 3015: exceeds 2000 V
MM JESD22-A115-A exceeds 200 V




nexperia

74LVT640DB Datasheet Preview

74LVT640DB Datasheet

Octal transceiver

No Preview Available !

Nexperia
74LVT640
3.3 V Octal transceiver with direction pin; inverting; 3-state
3 Ordering information
Table 1. Ordering information
Type number Package
Temperature
range
74LVT640D -40 °C to +85 °C
74LVT640DB -40 °C to +85 °C
74LVT640PW -40 °C to +85 °C
Name
Description
SO20
SSOP20
TSSOP20
plastic small outline package; 20 leads;
body width 7.5 mm
plastic shrink small outline package; 20 leads;
body width 5.3 mm
plastic thin shrink small outline package; 20 leads;
body width 4.4 mm
4 Functional diagram
Version
SOT163-1
SOT339-1
SOT360-1
1 DIR
2 A0
3 A1
4 A2
5 A3
6 A4
7 A5
8 A6
9 A7
Figure 1. Logic symbol
OE 19
B0 18
B1 17
B2 16
B3 15
B4 14
B5 13
B6 12
B7 11
aaa-026616
19
G3
1
3EN1 (BA)
3EN2 (AB)
2
1
2
18
3
17
4
16
5
15
6
14
7
13
8
12
9
11
Figure 2. IEC logic symbol
aaa-026617
74LVT640
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 10 April 2017
© Nexperia B.V. 2017. All rights reserved.
2 / 15


Part Number 74LVT640DB
Description Octal transceiver
Maker nexperia
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74LVT640DB Datasheet PDF






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