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LE28F4001R

Sanyo Semicon Device
Part Number LE28F4001R
Manufacturer Sanyo Semicon Device
Description 4 MEG (524288 words x 8 bits) Flash Memory
Published Mar 22, 2005
Detailed Description Ordering number : EN*5239A CMOS LSI LE28F4001M, T, R-15/20 4 MEG (524288 words × 8 bits) Flash Memory Preliminary Over...
Datasheet PDF File LE28F4001R PDF File

LE28F4001R
LE28F4001R

Overview
Ordering number : EN*5239A CMOS LSI LE28F4001M, T, R-15/20 4 MEG (524288 words × 8 bits) Flash Memory Preliminary Overview The LE28F4001 Series ICs are 524288-word × 8-bit flash memory products that support on-board reprogramming and feature 5 V single-voltage power supply operation.
CMOS peripheral circuits were adopted for high speed, low power, and ease of use.
These products support a sector (256 bytes) erase function for fast data rewriting.
Package Dimensions unit: mm 3205-SOP32 [LE28F4001M] Features • Fabricated in a highly reliable 2-layer polysilicon CMOS flash EEPROM process.
• Read and write operation from a 5 V single-voltage power supply • Sector erase function: 256 bytes per sector • Fast access time: 150/200 ns • Low power — Operating current (read): 25 mA (maximum) — Standby current: 20 µA (maximum) • Highly reliable read and write operations — Sector write cycles: 104 cycles — Data retention time: 10 years • Address and data latches • Self-timer erase and programming • Byte programming time: 35 µs (maximum) • Write complete detection: Toggle bit and data polling • Hardware and software data protection • Pin assignment conforms to the JEDEC byte-wide EEPROM standard • Packages SOP 32-pin (525 mil) plastic package :LE28F4001M TSOP 40-pin (10 × 14 mm) plastic package :LE28F4001T TSOP 40-pin (10 × 14 mm) plastic package :LE28F4001R SANYO: SOP32 unit: mm 3087A-TSOP40 [LE28F4001T, R] SANYO: TSOP40 (TYPE-I) These FLASH MEMORY products incorporate technology licensed Silicon Storage Technology, Inc.
SANYO Electric Co.
,Ltd.
Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg.
, 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN 63096HA (OT) No.
5239-1/14 LE28F4001M, T, R-15/20 Block Diagram Pin Assignments No.
5239-2/14 LE28F4001M, T, R-15/20 TSOP40 Standard TSOP40 Reversed Pin Functions Symbol A18 to A0 Address input Pin Functions Supply the memory address to these pins.
The address is latched internally during a write cycle.
These p...


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