2M (256K bb 8) Flash Memory
LH28F020SU-L
FEATURES
32-PIN TSOP
2M (256K × 8) Flash Memory
TOP VIEW
• 256K × 8 Bit Configuration • 5 V Write/Erase ...
Description
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 REGISTE...
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