参数资料
型号: M28F220
厂商: 意法半导体
英文描述: 2Mbit (256Kb x8 or 128Kb x16, Boot Block) Flash Memory(2Mb闪速存储器)
中文描述: 2Mbit的(256Kb的x8或128KB的x16插槽,引导块)快闪记忆体(处理器闪速存储器)
文件页数: 1/32页
文件大小: 226K
代理商: M28F220
M28F220
2 Mbit (256Kb x8 or 128Kb x16, Boot Block) Flash Memory
August 1998
1/32
AI01297B
17
A0-A16
W
DQ0-DQ14
VPP
VCC
M28F220
G
E
VSS
15
RP
BYTE
DQ15A–1
WP
Figure 1. LogicDiagram
5V
±
10% SUPPLYVOLTAGE
12V
±
5% or
±
10% PROGRAMMING
VOLTAGE
FASTACCESS TIME: 60ns
PROGRAM/ERASECONTROLLER (P/E.C.)
AUTOMATICSTATIC MODE
MEMORYERASE in BLOCKS
– BootBlock (Bottom location) with hardware
write and erase protection
– Parameterand Main Blocks
100,000 PROGRAM/ERASECYCLES
LOW POWER CONSUMPTION
20 YEARSDATARETENTION
– Defectivity below 1ppm/year
ELECTRONIC SIGNATURE
– ManufacturerCode: 0020h
– Device Code: 00E6h
A0-A16
Address Inputs
DQ0-DQ7
Data Input / Outputs
DQ8-DQ14
Data Input / Outputs
DQ15A–1
Data Input/Output or Address Input
E
Chip Enable
G
Output Enable
W
Write Enable
BYTE
Byte/Word Organization
WP
Write Protect
RP
Reset/Power Down/Boot Block
Unlock
V
PP
Program & Erase SupplyVoltage
V
CC
Supply Voltage
V
SS
Ground
Table1. SignalNames
44
1
SO44 (M)
TSOP48 (N)
12 x 20mm
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