SCES938B
October 2021 – May 2022
SN74LXC2T45
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Switching Characteristics: Tsk, TMAX
6.7
Switching Characteristics, VCCA = 1.2 ± 0.1 V
6.8
Switching Characteristics, VCCA = 1.5 ± 0.1 V
6.9
Switching Characteristics, VCCA = 1.8 ± 0.15 V
6.10
Switching Characteristics, VCCA = 2.5 ± 0.2 V
6.11
Switching Characteristics, VCCA = 3.3 ± 0.3 V
6.12
Switching Characteristics, VCCA = 5.0 ± 0.5 V
6.13
Operating Characteristics
6.14
Typical Characteristics
7
Parameter Measurement Information
7.1
Load Circuit and Voltage Waveforms
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
CMOS Schmitt-Trigger Inputs with Integrated Pulldowns
8.3.1.1
I/O's with Integrated Dynamic Pull-Down Resistors
8.3.1.2
Control Inputs with Integrated Static Pull-Down Resistors
8.3.2
Balanced High-Drive CMOS Push-Pull Outputs
9
Partial Power Down (Ioff)
10
VCC Isolation and VCC Disconnect (Ioff-float)
11
Over-Voltage Tolerant Inputs
12
Glitch-Free Power Supply Sequencing
13
Negative Clamping Diodes
14
Fully Configurable Dual-Rail Design
15
Supports High-Speed Translation
16
Device Functional Modes
17
Application and Implementation
17.1
Application Information
17.2
Enable Times
17.3
Typical Application
17.3.1
Design Requirements
17.3.2
Detailed Design Procedure
18
Power Supply Recommendations
19
Layout
19.1
Layout Guidelines
19.2
Layout Example
20
Device and Documentation Support
20.1
Documentation Support
20.1.1
Related Documentation
20.2
Receiving Notification of Documentation Updates
20.3
Support Resources
20.4
Trademarks
20.5
Electrostatic Discharge Caution
20.6
Glossary
21
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DTT|8
MPSS150A
DCU|8
MPDS050E
DTM|8
MPSS118A
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sces938b_oa
sces938b_pm
1
Features
Fully configurable dual-rail design allows each port to operate from 1.1 V to 5.5 V
Robust, glitch-free power supply sequencing
Up to 420-Mbps support for 3.3 V to 5.0 V
Schmitt-trigger inputs allow for slow or noisy inputs
I/O's with integrated dynamic pull-down resistors
help reduce external component count
Control inputs with integrated static pull-down resistors
allow for floating control inputs
High drive strength (up to 32 mA at 5 V)
Low power consumption
3-µA maximum (25°C)
6-µA maximum (–40°C to 125°C)
V
CC
isolation and V
CC
disconnect (I
off-float
)
feature
If either V
CC
supply is < 100 mV or disconnected, all I/O's get pulled-down and then become high-impedance
I
off
supports partial-power-down mode operation
Compatible with LVC family level shifters
Control logic (DIR) are referenced to V
CCA
Operating temperature from –40°C to +125°C
Latch-up performance exceeds 100 mA per JESD 78, class II
ESD protection exceeds JESD 22
4000-V human-body model
1000-V charged-device model