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Manufacturer Part #

25AA256-I/ST

25AA256 Series 256 Kbit (32K x 8) 5.5 V SMT SPI Bus Serial EEPROM - TSSOP-8

ECAD Model:
Mfr. Name: Microchip
Standard Pkg:
Product Variant Information section
Date Code: 2315
Product Specification Section
Microchip 25AA256-I/ST - Technical Attributes
Attributes Table
Memory Density: 256kb
Memory Organization: 32 K x 8
Supply Voltage-Nom: 1.8V to 5.5V
Clock Frequency-Max: 10MHz
Write Cycle Time-Max (tWC): 5ms
Package Style:  TSSOP-8
Mounting Method: Surface Mount
Features & Applications
The 25AA256-I/ST is a 256 Kbit Serial Electrically Erasable Programmable Read-Only Memory (EEPROM) with 10 MHz max.Clock Frequency.

Features:

  • Low-Power CMOS Technology:
    • Max. Write Current: 5 mA at 5.5 V, 10 MHz
    • Read Current: 6 mA at 5.5 V, 10 MHz
    • Standby Current: 1 µA at 5.5 V
  • 32,768 x 8-bit Organization 
  • Sequential Read
  • Self-Timed Erase and Write Cycles (5 ms max.)
  • Block Write Protection:
    • Protect none, 1/4, 1/2 or all of array
  • Built-In Write Protection:
    • Power-on/off data protection circuitry
    • Write enable latch
    • Write-protect pin
  • High Reliability:
    • Endurance: 1,000,000 Erase/Write cycles
    • Data retention: > 200 years
    • ESD protection: > 4000 V
Pricing Section
Global Stock:
22
USA:
22
47
Factory Stock:Factory Stock:
0
Factory Lead Time:
6 Weeks
Minimum Order:
22
Multiple Of:
1
Total
$15.95
USD
Quantity
Unit Price
30
$0.725
75
$0.71
150
$0.70
300
$0.685
750+
$0.66
Product Variant Information section