|
M29F400BT Datasheet, PDF (1/22 Pages) STMicroelectronics – 4 Mbit 512Kb x8 or 256Kb x16, Boot Block Single Supply Flash Memory | |||
|
M29F400BT
M29F400BB
4 Mbit (512Kb x8 or 256Kb x16, Boot Block)
Single Supply Flash Memory
s SINGLE 5V±10% SUPPLY VOLTAGE for
PROGRAM, ERASE and READ OPERATIONS
s ACCESS TIME: 45ns
s PROGRAMMING TIME
â 8µs per Byte/Word typical
s 11 MEMORY BLOCKS
â 1 Boot Block (Top or Bottom Location)
â 2 Parameter and 8 Main Blocks
s PROGRAM/ERASE CONTROLLER
â Embedded Byte/Word Program algorithm
â Embedded Multi-Block/Chip Erase algorithm
â Status Register Polling and Toggle Bits
â Ready/Busy Output Pin
s ERASE SUSPEND and RESUME MODES
â Read and Program another Block during
Erase Suspend
s UNLOCK BYPASS PROGRAM COMMAND
â Faster Production/Batch Programming
s TEMPORARY BLOCK UNPROTECTION
MODE
s LOW POWER CONSUMPTION
â Standby and Automatic Standby
s 100,000 PROGRAM/ERASE CYCLES per
BLOCK
s 20 YEARS DATA RETENTION
â Defectivity below 1 ppm/year
s ELECTRONIC SIGNATURE
â Manufacturer Code: 0020h
â Top Device Code M29F400BT: 00D5h
â Bottom Device Code M29F400BB: 00D6h
44
TSOP48 (N)
12 x 20mm
1
SO44 (M)
Figure 1. Logic Diagram
VCC
18
A0-A17
15
DQ0-DQ14
W
DQ15Aâ1
M29F400BT
E
M29F400BB
BYTE
G
RB
RP
VSS
AI02904
July 2000
1/22
|
▷ |