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W39L020

Features: • Single 3.3-volt operations− 3.3-volt Read− 3.3-volt Erase− 3.3-volt Program• Fast Program operation:− Byte-by-Byte programming: 50 S (max.)• Fast Erase operation:− Chip Erase cycle time: 100 mS (max.)− Sector Erase cycle time: 25mS ...

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SeekIC No. : 004544608 Detail

W39L020: Features: • Single 3.3-volt operations− 3.3-volt Read− 3.3-volt Erase− 3.3-volt Program• Fast Program operation:− Byte-by-Byte programming: 50 S (max.)• Fas...

W39L020 Data Sheet

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Part Number:
W39L020
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

• Single 3.3-volt operations
− 3.3-volt Read
− 3.3-volt Erase
− 3.3-volt Program
• Fast Program operation:
− Byte-by-Byte programming: 50 S (max.)
• Fast Erase operation:
− Chip Erase cycle time: 100 mS (max.)
− Sector Erase cycle time: 25mS (max.)
− Page Erase cycle time: 25mS (max.)
• Read access time: 70/90 nS
• 4 Even sectors with 64K bytes each, which is composed of 16 flexible pages with 4K bytes
• Any individual sector or page can be erased
• Hardware protection:
− Optional 16K byte or 64K byte Top/Bottom Boot Block with lockout protection
• Flexible 4K-page size can be used as Parameter Blocks
• Typical program/erase cycles: 1K/10K
• Twenty-year data retention
• Low power consumption
− Active current: 10 mA (typ.)
− Standby current: 5 A (typ.)
• End of program detection
− Software method: Toggle bit/Data polling
• TTL compatible I/O
• JEDEC standard byte-wide pinouts
• Available packages: 32L PLCC, 32L TSOP (8 x 20 mm) and 32L STSOP (8 x 14 mm)


Pinout

Connection Diagram


Specifications

PARAMETER
RATING
UNIT
Power Supply Voltage to VSS Potential
-2.0 to +4.6
V
Operating Temperature
0 to +70
°C
Storage Temperature
-65 to +125
°C
Voltage on Any Pin to Ground Potential Except A9
-2.0 to +4.6
V
Voltage on A9 Pin to Ground Potential
-2.0 to +13.0
V
Note: Exposure to conditions beyond those listed under Absolute maximum Ratings may adversely affect the life and reliability of the device.


Description

The W39L020 is a 2Mbit, 3.3-volt only CMOS flash memory organized as 256K × 8 bits. For flexible erase capability, the 2Mbits of data are divided into 4 uniform sectors of 64 Kbytes, which are composed of 16 smaller even pages with 4 Kbytes. The byte-wide (× 8) data appears on DQ7 − DQ0. The device can be programmed and erased in-system with a standard 3.3V power supply. A 12-volt VPP is not required. The unique cell architecture of the W39L020 results in fast program/erase operations with extremely low current consumption (compared to other comparable 3.3-volt flash memory products). The device can also be programmed and erased by using standard EPROM programmers.




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