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W49F020

Features: · Single 5-volt operations: - 5-volt Read - 5-volt Erase - 5-volt Program· Fast Program operation: - Byte-by-Byte programming: 50 mS (max.)· Fast Erase operation: 100 mS (typ.)· Fast Read access time: 70/90 nS· Endurance: 1K/10K cycles (typ.)· Twenty-year data retention· Hardware data pr...

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SeekIC No. : 004544765 Detail

W49F020: Features: · Single 5-volt operations: - 5-volt Read - 5-volt Erase - 5-volt Program· Fast Program operation: - Byte-by-Byte programming: 50 mS (max.)· Fast Erase operation: 100 mS (typ.)· Fast Read ...

W49F020 Data Sheet

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Part Number:
W49F020
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/21

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Product Details

Description



Features:

·  Single 5-volt operations:
   - 5-volt Read
   - 5-volt Erase
   - 5-volt Program
·  Fast Program operation:
   - Byte-by-Byte programming: 50 mS (max.)
·  Fast Erase operation: 100 mS (typ.)
·  Fast Read access time: 70/90 nS
·  Endurance: 1K/10K cycles (typ.)
·  Twenty-year data retention
·  Hardware data protection
·  One 8K byte Boot Block with Lockout protection
·  Low power consumption
   - Active current: 25 mA (typ.)
   - Standby current: 20 mA (typ.)
·  Automatic program and erase timing with internal VPP generation
·  End of program or erase detection
   - Toggle bit
   - Data polling
·  Latched address and data
·  TTL compatible I/O
·  JEDEC standard byte-wide pinouts
·  Available packages: 32-pin DIP and 32-pin TSOP and 32-pin-PLCC


Pinout

Connection Diagram


Specifications

PARAMETER RATING UNIT
Power Supply Voltage to Vss Potential -0.5 to +7.0 V
Operating Temperature 0 to +70 °C
Storage Temperature -65 to +150 °C
D.C. Voltage on Any Pin to Ground Potential Except A9 -0.5 to VDD +1.0 V
Transient Voltage (<20 nS ) on Any Pin to Ground Potential -1.0 to VDD +1.0 V
Voltage on A9 and OE Pin to Ground Potential -0.5 to 12.5 V



Description

The W49F020 is a 2-megabit, 5-volt only CMOS flash memory organized as 256K ´ 8 bits. The device can be programmed and erased in-system with a standard 5V power supply. A 12-volt VPP is not required. The unique cell architecture of the W49F020 results in fast program/erase operations with extremely low current consumption (compared to other comparable 5-volt flash memory products). The device can also be programmed and erased using standard EPROM programmers.




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