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23X1024

Serial SRAM

The 23X1024 is a serial sram from Microchip Technology. View the full 23X1024 datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

23X1024 shares its datasheet with 23LC1024, whose page lists every part number it covers.

Official 23X1024 datasheet (PDF) — the source this page was extracted from.

Category

Memory ICs

23X1024 Key Specifications

ParameterValue
Page Size32 bytes (4096 pages)
InterfacesSPI, SDI (dual), SQI (quad)
Memory Size1 Mbit (128K x 8)
Read Current3 mA typ at 5.5V, 20 MHz
Standby Current4 µA typ at 5.5V (+85°C)
Absolute Max VCC6.5V
Max Clock Frequency20 MHz
Operating Temperature-40°C to +85°C
Data Retention Voltage1.0V typ
Supply Voltage (23A1024)1.7V to 2.2V
Supply Voltage (23LC1024)2.5V to 5.5V

23X1024 Overview

Part: 23LC1024 — Microchip Technology Inc.

Type: 1 Mbit SPI Serial SRAM

Description: 1 Mbit (128K x 8-bit) Serial SRAM with SPI, SDI, and SQI interface, supporting 20 MHz clock rates and operating from 2.5V to 5.5V.

Operating Conditions:

  • Supply voltage: 2.5–5.5V
  • Operating temperature: -40 to +85 °C
  • Max clock frequency: 20 MHz

Absolute Maximum Ratings:

  • Max supply voltage: 6.5V
  • Max junction/storage temperature: +150 °C

Key Specs:

  • Read current: 3 mA (at 5.5V, 20 MHz)
  • Standby current: 4 μA (at 5.5V, +85°C)
  • Input leakage current: ±1 μA
  • Output leakage current: ±1 μA
  • Input capacitance: 7 pF (VCC = 0V, f = 1 MHz, Ta = 25°C)
  • High-level output voltage: VCC -0.5 V (IOH = -400 μA)
  • Low-level output voltage: 0.2 V (IOL = 1 mA)
  • Data setup time: 10 ns

Features:

  • SPI-Compatible Bus Interface: SPI/SDI/SQI mode
  • Low-Power CMOS Technology
  • Unlimited Read and Write Cycles
  • Zero Write Time
  • 128K x 8-bit Organization with 32-byte page
  • Byte, Page and Sequential mode for Reads and Writes
  • High Reliability
  • Pb-Free and RoHS Compliant, Halogen Free

Applications:

Package:

  • 8 Lead SOIC
  • 8 Lead TSSOP
  • 8 Lead PDIP

23X1024 Features

  • SPI-Compatible Bus Interface:
  • -20 MHz Clock rate
  • -SPI/SDI/SQI mode
  • Low-Power CMOS Technology:
  • -Read Current: 3 mA at 5.5V, 20 MHz
  • -Standby Current: 4 A at +85°C
  • Unlimited Read and Write Cycles
  • Zero Write Time
  • 128K x 8-bit Organization:
  • -32-byte page
  • Byte, Page and Sequential mode for Reads and Writes
  • High Reliability
  • Temperature Range Supported:
  • -Industrial (I): -40 C to +85 C
  • Pb-Free and RoHS Compliant, Halogen Free
  • 8 Lead SOIC, TSSOP and PDIP Packages

23X1024 Pin Configuration

NameFunction
CSChip Select Input
SO/SIO1Serial Output/SDI/SQI Pin
SIO2SQI Pin
VssGround
SI/SIO0Serial Input/SDI/SQI Pin
SCKSerial Clock
HOLD/SIO3Hold/SQI Pin
VccPower Supply

23X1024 Electrical Characteristics

DC CHARACTERISTICSDC CHARACTERISTICSDC CHARACTERISTICSIndustrial (I): T A = -40°C to +85°CIndustrial (I): T A = -40°C to +85°CIndustrial (I): T A = -40°C to +85°CIndustrial (I): T A = -40°C to +85°CIndustrial (I): T A = -40°C to +85°C
Param. No.Sym.CharacteristicMin.Typ (1)Max.UnitsTest Conditions
D001VCCSupply voltage1.7 2.5-2.2 5.5V23A1024 23LC1024
D002VIHHigh-level input voltage.7 VCC-VCC +0.3V
D003VILLow-level input voltage-0.3-0.2xVCC 0.10xVCCV23A1024 23LC1024
D004VOLLow-level output voltage--0.2VI OL = 1 mA
D005VOHHigh-level output voltageVCC -0.5--VIOH = -400 A
D006I LIInput leakage current--±1ACS = VCC, VIN = VSS OR VCC
D007I LOOutput leakage current--±1ACS = VCC, VOUT = VSS OR VCC
D008ICC ReadOperating current- -1 310 10mA mAFCLK = 20 MHz; SO = O, 2.2V FCLK = 20 MHz; SO = O, 5.5V
D009ICCSStandby current- -1 44 10A ← ACS = VCC = 2.2V, Inputs tied to VCC or VSS CS = VCC = 5.5V, Inputs tied to VCC or VSS
D010CINTInput capacitance7pFVCC = 0V, f = 1 MHz, Ta = 25°C (Note 1)
D011VDRRAM data retention voltage (2)-1.0-V
AC CHARACTERISTICSAC CHARACTERISTICSAC CHARACTERISTICSIndustrial (I): T A = -40°C to +85°CIndustrial (I): T A = -40°C to +85°CIndustrial (I): T A = -40°C to +85°CIndustrial (I): T A = -40°C to +85°C
Param. No.Sym.CharacteristicMin.Max.UnitsTest Conditions
1FCLKClock frequency-20MHz
2T CSSCS setup time25-ns
3T CSHCS hold time50-ns
4T CSDCS disable time25-ns
5TsuData setup time10-ns
6THDData hold time10-ns
7TRCLK rise time-20nsNote 1
8TFCLK fall time-20nsNote 1
9THIClock high time25-ns
10TLOClock low time25-ns
11T CLDClock delay time25-ns
12TVOutput valid from clock low-25ns
13THOOutput hold time0-nsNote 1
14TDISOutput disable time-20ns
15THSHOLD setup time10-ns-
16THHHOLD hold time10-ns-
17THZHOLD low to output High-Z10-ns-
18THVHOLD high to output valid-50ns-

Note 1: This parameter is periodically sampled and not 100% tested.

TABLE 1-3: AC TEST CONDITIONS

AC Waveform:AC Waveform:
Input pulse level0.1 VCC to 0.9 VCC
Input rise/fall time5 ns
Operating temperature-40°C to +85°C
CL = 30 pF-
Timing Measurement Reference Level:Timing Measurement Reference Level:
Input0.5 VCC
Output0.5 VCC

23X1024 Absolute Maximum Ratings

  • All inputs and outputs w.r.t. VSS ......................................................................................................... -0.3V to VCC +0.3V
  • Storage temperature ...............................................................................................................................-65°C to +150°C
  • Ambient temperature under bias...............................................................................................................-40°C to +85°C

† NOTICE : 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 those or any other conditions above those indicated in the operational listings of this specification is not implied. Exposure to maximum rating conditions for an extended period of time may affect device reliability.

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
23A1024Microchip Technology—
23LC1024Microchip Technology—
23LC1024-I/PMicrochip Technology8-Lead PDIP
23LC1024-I/SNMicrochip TechnologySOIC-8

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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