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LE28FV4001R-25

Sanyo Semicon Device
Part Number LE28FV4001R-25
Manufacturer Sanyo Semicon Device
Description 4MEG (52488 x 8 Bits) Flash Memory
Published Mar 22, 2005
Detailed Description Ordering number : EN*5468 CMOS LSI LE28FV4001M, T, R-20/25 4MEG (52488 × 8 Bits) Flash Memory Preliminary Overview The...
Datasheet PDF File LE28FV4001R-25 PDF File

LE28FV4001R-25
LE28FV4001R-25

Overview
Ordering number : EN*5468 CMOS LSI LE28FV4001M, T, R-20/25 4MEG (52488 × 8 Bits) Flash Memory Preliminary Overview The LE28FV4001M, T, R Series are 4 MEG flash memory products that feature a 542488-word × 8-bit organization and 3.
3 V single-voltage power supply operation.
CMOS peripheral circuits were adopted for high speed, low power, and ease of use.
The LE28FV4001M also supports high-speed data rewriting by providing a sector (256 bytes) erase function.
Package Dimensions unit: mm 3205-SOP32 [LE28FV4001M.
T, R] Features • Highly reliable 2 layer polysilicon CMOS flash EEPROM process • Read and write operations using a 3.
3 V single-voltage power supply • High-speed access: 200 and 250 ns • Low power — Operating (read): 10 mA (maximum) — Standby: 20 µA (maximum) • Highly reliable read write —Number of sector write cycles: 104 cycles — Data retention: 10 years • Address and data latches • Sector erase function: 256 bytes per sector • Self-timer erase/program • Byte program time: 35 µs (maximum) • Write complete detection function: Toggle bit/Data poling • Hardware and software data protection functions • Pin assignment conforms to the JEDEC byte-wide EEPROM standard.
• Package SOP 32-pin (525 mil) plastic package: LE28FV4001M TSOP 42-pin (10 × 14 mm) plastic package:LE28FV4001T TSOP 40-pin (10 × 14 mm) plastic package: LE28FV4001R SANYO: SOP32 unit: mm 3087A-TSOP40 [LE28FV4001M.
T, R] SANYO: TSOP40 (TYPE-I) These FLASH MEMORY products incorporate technology licensed from 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 22897HA(OT) No.
5468-1/14 LE28FV4001M, T, R-20/25 Block Diagram Pin Assignments No.
5468-2/14 LE28FV4001M, T, R-20/25 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 pins output data during a read cycle a...


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