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LH28F020SU-L

Sharp Electrionic Components
Part Number LH28F020SU-L
Manufacturer Sharp Electrionic Components
Description 2M (256K bb 8) Flash Memory
Published Mar 22, 2005
Detailed Description LH28F020SU-L FEATURES 32-PIN TSOP 2M (256K × 8) Flash Memory TOP VIEW • 256K × 8 Bit Configuration • 5 V Write/Erase ...
Datasheet PDF File LH28F020SU-L PDF File

LH28F020SU-L
LH28F020SU-L

Overview
LH28F020SU-L FEATURES 32-PIN TSOP 2M (256K × 8) Flash Memory TOP VIEW • 256K × 8 Bit Configuration • 5 V Write/Erase (3.
3 V VCC) • Access Time – For 3.
3 V Read: 150 ns A11 A9 A8 A13 A14 A17 WE VCC VPP A16 A15 A12 A7 A6 A5 A4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 OE A10 CE DQ7 DQ6 DQ5 DQ4 DQ3 GND DQ2 DQ1 DQ0 A0 A1 A2 A3 • Minimum 2.
7 V Read Capability – 180 ns Maximum Access Time (VCC = 2.
7 V) • 16 Independently Lockable Blocks (16K Blocks) • 100,000 Erase Cycles per Block • Automated Byte Write/Block Erase – Command User Interface – Status Register • System Performance Enhancement – Erase Suspend for Read – Two-Byte Write – Full Chip Erase 28F020SUL15-1 Figure 1.
TSOP Configuration 32-PIN SOP TOP VIEW • Data Protection – Hardware Erase/Write Lockout during Power Transitions – Software Erase/Write Lockout VPP A16 A15 A12 A7 A6 A5 A4 A3 A2 A1 A0 DQ0 DQ1 DQ2 GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 VCC WE A17 A14 A13 A8 A9 A11 OE A10 CE DQ7 DQ6 DQ5 DQ4 DQ3 • Independently Lockable for Write/Erase on Each Block (Lock Block and Protect Set/Reset) • 80 µA (MAX.
) ICC in CMOS Standby • State-of-the-Art 0.
55 µm ETOX™ Flash Technology • Packages – 32-Pin, 525-mil.
SOP Package – 32-Pin, 1.
2 mm × 8 mm × 20 mm TSOP (Type I) Package 28F020SUL12-20 Figure 2.
SOP Configuration 1 LH28F020SU-L 2M (256K × 8) Flash Memory DQ0 - DQ7 OUTPUT BUFFER INPUT BUFFER ID REGISTER DATA QUEUE REGISTER I/O LOGIC OUTPUT MULTIPLEXER CSR REGISTER CE CUI OE WE DATA COMPARATOR A0 - A17 INPUT BUFFER Y-DECODER 16KB BLOCK 0 Y GATING/SENSING 16KB BLOCK 14 16KB BLOCK 15 16KB BLOCK 1 WSM ADDRESS QUEUE LATCH .
.
.
X-DECODER .
.
.
ADDRESS COUNTER .
.
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PROGRAM/ ERASE VOLTAGE SWITCH VPP VCC GND 28F020SUL15-2 Figure 3.
LH28F020SU-L Block Diagram 2 2M (256K × 8) Flash Memory LH28F020SU-L PIN DESCRIPTION SIGNAL TYPE NAME AND FUNCTION BYTE-SELECT ADDRESSES: Select a byt...


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