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W39V040A

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: 35 S (typ.)• Fast Erase Operation:− Chip erase 100 mS (max.)− Sector erase 25 mS (max.)− Page era...

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SeekIC No. : 004544612 Detail

W39V040A: 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: 35 S (typ.)• Fa...

W39V040A Data Sheet

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Part Number:
W39V040A
Supply Ability:
5000

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  • 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: 35 S (typ.)
• Fast Erase Operation:
− Chip erase 100 mS (max.)
− Sector erase 25 mS (max.)
− Page erase 25 mS (max.)
• Fast Read access time: Tkq 11 nS
• Endurance: 10K cycles (typ.)
• Twenty-year data retention
• 8 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 Boot Block with lockout protection
− #TBL & #WP support the whole chip hardware protection
• Flexible 4K-page size can be used as Parameter Blocks
• Low power consumption
− Active current: 12.5 mA (typ. for LPC mode)
• 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
• Available packages: 32L PLCC, 32L STSOP


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 +150
°C
D.C. Voltage on Any Pin to Ground Potential -0.5 to VDD +0.5
V
Transient Voltage (<20 nS) on Any Pin to Ground Potential
-1.0 to VDD +0.5
V
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the device.


Description

The W39V040A is a 4-megabit, 3.3-volt only CMOS flash memory organized as 512K × 8 bits. For flexible erase capability, the 4Mbits of data are divided into 8 uniform sectors of 64 Kbytes, which are composed of 16 smaller even pages with 4 Kbytes. 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 W39V040A results in fast program/erase operations with extremely low current consumption. This device can operate at two modes, Programmer bus interface mode and LPC bus interface mode. As in the Programmer interface mode, it acts like the traditional flash but with a multiplexed address inputs. But in the LPC interface mode, this device complies with the Intel LPC specification. The device can also be programmed and erased using standard EPROM programmers.




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