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M295V400BT45M6T

Description
256K X 16 FLASH 5V PROM, 70 ns, PDSO48
Categorystorage   
File Size151KB,22 Pages
ManufacturerSTMicroelectronics
Websitehttp://www.st.com/
Download Datasheet Parametric View All

M295V400BT45M6T Overview

256K X 16 FLASH 5V PROM, 70 ns, PDSO48

M295V400BT45M6T Parametric

Parameter NameAttribute value
Number of functions1
Number of terminals48
Maximum operating temperature70 Cel
Minimum operating temperature0.0 Cel
Maximum supply/operating voltage5.5 V
Minimum supply/operating voltage4.5 V
Rated supply voltage5 V
maximum access time70 ns
Processing package description12 × 20 MM, plastic, TSOP-48
stateDISCONTINUED
packaging shapeRectangle
Package SizeSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
surface mountYes
Terminal formGULL WING
Terminal spacing0.5000 mm
terminal coatingtin lead
Terminal locationpair
Packaging MaterialsPlastic/Epoxy
Temperature levelCOMMERCIAL
memory width16
organize256K × 16
storage density4.19E6 deg
operating modeASYNCHRONOUS
Number of digits262144 words
Number of digits256K
Spare memory width8
Memory IC typeFLASH 5V programmable read-only memory
serial parallelparallel
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
ACCESS TIME: 45ns
PROGRAMMING TIME
– 8µs per Byte/Word typical
11 MEMORY BLOCKS
– 1 Boot Block (Top or Bottom Location)
– 2 Parameter and 8 Main Blocks
1
44
s
s
s
s
PROGRAM/ERASE CONTROLLER
– Embedded Byte/Word Program algorithm
– Embedded Multi-Block/Chip Erase algorithm
– Status Register Polling and Toggle Bits
– Ready/Busy Output Pin
TSOP48 (N)
12 x 20mm
SO44 (M)
s
ERASE SUSPEND and RESUME MODES
– Read and Program another Block during
Erase Suspend
Figure 1. Logic Diagram
s
UNLOCK BYPASS PROGRAM COMMAND
– Faster Production/Batch Programming
TEMPORARY BLOCK UNPROTECTION
MODE
LOW POWER CONSUMPTION
– Standby and Automatic Standby
100,000 PROGRAM/ERASE CYCLES per
BLOCK
20 YEARS DATA RETENTION
– Defectivity below 1 ppm/year
ELECTRONIC SIGNATURE
– Manufacturer Code: 0020h
– Top Device Code M29F400BT: 00D5h
– Bottom Device Code M29F400BB: 00D6h
A0-A17
W
E
G
RP
VCC
s
18
15
DQ0-DQ14
DQ15A–1
M29F400BT
M29F400BB
BYTE
RB
s
s
s
s
VSS
AI02904
July 2000
1/22
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