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W49F002B

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: 70/120 nS· Endurance: 1K/10K cycles (typ.)· Ten-year data retention· Hardware data prot...

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SeekIC No. : 004544762 Detail

W49F002B: 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 ...

W49F002B Data Sheet

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Part Number:
W49F002B
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: 2024/12/22

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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: 70/120 nS
· Endurance: 1K/10K cycles (typ.)
· Ten-year data retention
· Hardware data protection
· One 16K byte Boot Block with Lockout protection
· Two 8K byte Parameter Blocks
· Two Main Memory Blocks (96K, 128K) Bytes
· 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
· This document has four part numbers:
   W49F002 - Bottom Boot Block with Reset Pin.
   W49F002B - Bottom Boot Block without Reset Pin
   W49F002U - Top Boot Block with Reset Pin.



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 OE

-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 OE Pin to Ground Potential

-0.5 to 12.5

V




Description

 

The W49F002/B/U/N 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 W49F002/B/U/N 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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