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8-MSOP
Integrated Circuits (ICs)

11AA161-I/MS

Active
Microchip Technology

16K, 2048 X 8 1.8V SERIAL EE, IND, ALTERNATE ADDRESS OPTION 8 MSOP 3X3MM TUBE ROHS COMPLIANT: YES

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Search across all available documentation for this part.

DocumentsUNI/O™ Serial EEPROMsUNI/O (reg) Bus Specification+8
8-MSOP
Integrated Circuits (ICs)

11AA161-I/MS

Active
Microchip Technology

16K, 2048 X 8 1.8V SERIAL EE, IND, ALTERNATE ADDRESS OPTION 8 MSOP 3X3MM TUBE ROHS COMPLIANT: YES

Deep-Dive with AI

DocumentsUNI/O™ Serial EEPROMsUNI/O (reg) Bus Specification+8

Technical Specifications

Parameters and characteristics for this part

Specification11AA161-I/MS
Clock Frequency100 kHz
Memory Depth2 K
Memory FormatEEPROM
Memory Interface (Type)Single Wire
Memory Size2 KB
Memory TypeNon-Volatile
Memory Width8 bit
Mounting TypeSurface Mount
Operating Temperature (Max)85 °C
Operating Temperature (Min)-40 °C
Package Length0.118 in
Package Name8-MSOP, 8-TSSOP, 8-MSOP
Package Width3 mm
TechnologyEEPROM
Voltage - Supply (Maximum)5.5 V
Voltage - Supply (Minimum)1.8 V
Write Cycle Time - Page5 ms
Write Cycle Time - Word5 ms

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

DistributorPackageQuantity$Updated
DigikeyN/A 0$ 0.361m+
Tube 1000$ 0.371m+
Microchip DirectTUBE 1$ 0.411m+
25$ 0.38
100$ 0.36
1000$ 0.35
5000$ 0.34
NewarkEach 100$ 0.381m+

CAD

3D models and CAD resources for this part

Description

General part information

11AA161 Series

Need more microcontroller pins for new features? Want to stay with a low pin-count microcontroller rather than switching to a more expensive one? Microchip’s UNI/O® bus serial EEPROM uses only one connection to the host microcontroller. This compares to two or three pins for I2C and three to six pins for Microwire or SPI buses. This proprietary bus offers advanced features like a status register and write protection on demand, along with all I/O, memory array and command functions through a single pin. This device has a unique device address (0xA1) to help connect 2 UNI/O EEPROMs on the same bus.