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AT24C32D-SSHM-T

I²C-Compatible (2-Wire) Serial EEPROM

The AT24C32D-SSHM-T is a i²c-compatible (2-wire) serial eeprom from Microchip Technology. View the full AT24C32D-SSHM-T datasheet below including key specifications, pinout, electrical characteristics, absolute maximum ratings.

AT24C32D-SSHM-T shares its datasheet with AT24C32D, whose page lists every part number it covers.

Official AT24C32D-SSHM-T datasheet (PDF) — the source this page was extracted from.

Category

Memory ICs

Package

8-Lead SOIC, 8-Lead TSSOP, 8-Pad UDFN, 8-Pad XDFN, 5-Lead SOT23, 8-Ball VFBGA

AT24C32D-SSHM-T Key Specifications

ParameterValue
Memory Size32 Kbit (4,096 x 8)
Data Retention100 years
Write Endurance1,000,000 write cycles
Active Current Max3 mA
Standby Current Max6 µA
Supply Voltage Range1.7V to 5.5V
Write Cycle Time Max5 ms
Communication InterfaceI2C (2-Wire)
Operating Temperature Range-40°C to +85°C
I2c Clock Frequency Fast Mode400 kHz
I2c Clock Frequency Standard Mode100 kHz
I2c Clock Frequency Fast Mode Plus1 MHz

AT24C32D-SSHM-T Overview

Part: AT24C32D — Microchip Type: I²C-Compatible (2-Wire) Serial EEPROM Description: 32-Kbit (4,096 x 8) Serial EEPROM with I²C-compatible interface, supporting 100 kHz, 400 kHz, and 1 MHz clock speeds, operating from 1.7V to 5.5V.

Operating Conditions:

  • Supply voltage: 1.7V to 5.5V
  • Operating temperature: -40°C to +85°C
  • Clock frequency: up to 1 MHz (2.5V to 5.5V)

Absolute Maximum Ratings:

  • Max supply voltage: 6.25V
  • Max DC output current: 5.0 mA
  • Max storage temperature: +150°C

Key Specs:

  • Supply Current (Read): 1.0 mA (max, VCC = 5.0V, 400 kHz)
  • Supply Current (Write): 3.0 mA (max, VCC = 5.0V, 400 kHz)
  • Standby Current: 6.0 μA (max, VCC = 5.0V)
  • Clock Frequency (fSCL): 1000 kHz (max, 2.5V, 5.0V)
  • Write Cycle Time (tWR): 5 ms (max)
  • Write Endurance: 1,000,000 write cycles
  • Data Retention: 100 years
  • Input/Output Capacitance (SDA): 8 pF (max)

Features:

  • Low-Voltage and Standard-Voltage Operation
  • Schmitt Triggers, Filtered Inputs for Noise Suppression
  • Bidirectional Data Transfer Protocol
  • Write-Protect Pin for Full Array Hardware Data Protection
  • 32-Byte Page Write Mode
  • Random and Sequential Read Modes
  • Green Package Options (Lead-free/Halide-free/RoHS compliant)

Applications:

  • Industrial applications
  • Commercial applications

Package:

  • 8-Lead SOIC
  • 8-Lead TSSOP
  • 8-Pad UDFN
  • 8-Pad XDFN
  • 5-Lead SOT23
  • 8-Ball VFBGA

AT24C32D-SSHM-T Features

  • Low-Voltage and Standard-Voltage Operation:
  • -VCC = 1.7V to 5.5V
  • Internally Organized as 4,096 x 8 (32K)
  • Industrial Temperature Range: -40°C to +85°C
  • I 2 C-Compatible (2-Wire) Serial Interface:
  • -100 kHz Standard mode, 1.7V to 5.5V
  • -400 kHz Fast mode, 1.7V to 5.5V
  • -1 MHz Fast Mode Plus (FM+), 2.5V to 5.5V
  • Schmitt Triggers, Filtered Inputs for Noise Suppression
  • Bidirectional Data Transfer Protocol
  • Write -Protect Pin for Full Array Hardware Data Protection
  • Ultra Low Active Current (3 mA maximum) and Standby Current (6 μA maximum)
  • 32-Byte Page Write Mode:
  • -Partial page writes allowed
  • Random and Sequential Read Modes
  • Self -Timed Write Cycle within 5 ms Maximum
  • High Reliability:
  • -Endurance: 1,000,000 write cycles
  • -Data retention: 100 years
  • Green Package Options (Lead-free/Halide-free/RoHS compliant)
  • Die Sale Options: Wafer Form and Bumped Wafers

AT24C32D-SSHM-T Pin Configuration

AT24C32D-SSHM-T Pinout

Package: 8-Lead SOIC

Pin NumberPin NameTypeDescription
1A0IDevice Address Input
2A1IDevice Address Input
3A2IDevice Address Input
4GNDPGround
5SDAI/OSerial Data
6SCLISerial Clock
7WPIWrite-Protect
8VCCPDevice Power Supply

Notes

  • A0, A1, A2, WP pins: Internally pulled down to GND when not driven. Microchip recommends connecting these pins to a known state whenever possible. Pull-down disengages once pin voltage exceeds ~0.5 × VCC.
  • SDA/SCL: I²C interface pins (open-drain outputs typical for I²C applications).

AT24C32D-SSHM-T Electrical Characteristics

ParameterSymbolMinimumTypical (1)MaximumUnitsTest Conditions
Supply VoltageVCC11.7-5.5V
Supply CurrentICC1-0.41.0mAVCC = 5.0V, Read at 400 kHz
Supply CurrentICC2-2.03.0mAVCC = 5.0V, Write at 400 kHz
Standby CurrentISB1--1.0μAVCC = 1.7V, VIN = VCC or GND
Standby Current--6.0μAVCC = 5.0V, VIN = VCC or GND
Input Leakage CurrentI LI-0.103.0μAVIN = VCC or GND; VCC = 5.0V
Output Leakage CurrentILO-0.053.0μAVOUT = VCC or GND; VCC = 5.0V
Input Low LevelVIL-0.6-VCC x 0.3VNote 2
Input High LevelVIHVCC x 0.7-VCC + 0.5VNote 2
...........continuedMaximum Units
Output Low LevelVOL1--0.2
Output Low LevelVOL2--0.4
  1. Typical values characterized at T A = +25°C unless otherwise noted.
  2. This parameter is characterized but is not 100% tested in production.

AT24C32D-SSHM-T Absolute Maximum Ratings

Temperature under bias

-55°C to +125°C

Storage temperature

-65°C to +150°C

VCC

6.25V

Voltage on any pin with respect to ground

-1.0V to +7.0V

DC output current

5.0 mA

ESD protection

3kV

Note: Stresses above those listed under 'Absolute Maximum Ratings' may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation listings of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

AT24C32D-SSHM-T Package Information

UnitsMILLIMETERSMILLIMETERSMILLIMETERS
Dimension LimitsDimension LimitsMINNOMMAX
Contact PitchE1.27 BSC
Contact Pad SpacingC5.40
Contact Pad Width (X8)X10.60
Contact Pad Length (X8)Y11.55
  • Dimensioning and tolerancing per ASME Y14.5M 1.

BSC: Basic Dimension. Theoretically exact value shown without tolerances.

Microchip Technology Drawing C04-2057-SN Rev B

© 2017 Microchip Technology Inc.

©

Packaging Diagrams and Parameters

AT24C32D-SSHM-T Ordering Information

Base Part NumberPackage TypeTemperature RangePacking
AT24C32D8-Lead SOIC-40°C to +85°C (Industrial)null
AT24C32D8-Lead TSSOP-40°C to +85°C (Industrial)null
AT24C32D8-Pad UDFN-40°C to +85°C (Industrial)null
AT24C3

Variants on the same datasheet

These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.

Part NumberManufacturerPackage
AT24C32DMicrochip Technology—
AT24C32D-CUM-TMicrochip TechnologyVFBGA-8
AT24C32D-STUM-TMicrochip TechnologySOT23-5

Other Memory ICs

All Memory ICs datasheetsAll Microchip Technology datasheets (599)

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

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