SCPS207G
May 2012 – November 2019
TCA9548A
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Simplified Application Diagram
4
Revision History
5
Pin Configuration and Functions
Pin 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
I2C Interface Timing Requirements
6.7
Reset Timing Requirements
6.8
Switching Characteristics
6.9
Typical Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.4
Device Functional Modes
8.4.1
RESET Input
8.4.2
Power-On Reset
8.5
Programming
8.5.1
I2C Interface
8.5.2
Device Address
8.5.3
Bus Transactions
8.5.3.1
Writes
8.5.3.2
Reads
8.5.4
Control Register
8.5.5
RESET Input
8.5.6
Power-On Reset
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curves
10
Power Supply Recommendations
10.1
Power-On Reset Requirements
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.2
Receiving Notification of Documentation Updates
12.3
Support Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
PW|24
MPDS363A
RGE|24
MPQF124G
Thermal pad, mechanical data (Package|Pins)
RGE|24
QFND024AD
Orderable Information
scps207g_oa
scps207g_pm
1
Features
1-to-8 Bidirectional translating switches
I
2
C Bus and SMBus compatible
Active-low reset input
Three address pins, allowing up to eight TCA9548A devices on the I
2
C bus
Channel selection through an I
2
C Bus, in any combination
Power up with all switch channels deselected
Low R
ON
switches
Allows voltage-level translation between 1.8-V, 2.5-V, 3.3-V, and 5-V buses
No glitch on power up
Supports hot insertion
Low standby current
Operating power-supply voltage range of
1.65 V to 5.5 V
5-V Tolerant inputs
0- to 400-kHz Clock frequency
Latch-up performance exceeds 100 mA Per JESD 78, class II
ESD Protection exceeds JESD 22
±2000-V Human-body model (A114-A)
200-V Machine model (A115-A)
±1000-V Charged-device model (C101)