參數(shù)資料
型號: M39432
廠商: 意法半導(dǎo)體
英文描述: Single Chip 4Mbit Flash and 256Kbit Parallel EEPROM Memory(單片4Mb閃速和256Kb并行EEPROM)
中文描述: 單芯片的4Mb并行閃存和256Kbit EEPROM存儲器(單片4Mb的閃速和256Kb的并行的EEPROM)
文件頁數(shù): 1/30頁
文件大?。?/td> 247K
代理商: M39432
AI01946
19
A0-A18
EE
DQ0-DQ7
VCC
M39432
G
EF
VSS
8
W
R/B
Figure 1. Logic Diagram
M39432
Single Chip 4 Mbit Flash and
256 Kbit Parallel EEPROM Memory
3.3V
±
10% SUPPLY VOLTAGE for PROGRAM,
ERASE and READ OPARATIONS
120ns ACCESS TIME
(Flash and EEPROM blocks)
WRITE, PROGRAM and ERASE STATUS BITS
CONCURRENT MODE (Read Flash while
writing to EEPROM)
100,000 ERASE/WRITE CYCLES
10 YEARS DATA RETENTION
LOW POWER CONSUMPTION
– Stand-by mode: 40
μ
A
– Automatic Stand-by mode
– Deep Power Down mode
64 bytes ONE TIME PROGRAMMABLE
MEMORY
STANDARD EPROM/OTP MEMORY
PACKAGE
EXTENDED TEMPERATURE RANGES
DESCRIPTION
The M39432 is a memory device combining Flash
and EEPROM into a single chip and using single
supply voltage. The memory is mapped in two
blocks: 4 Mbit of Flash memory and 256 Kbit of
EEPROM memory. Each space is independant for
writing, in concurrent mode the Flash Memory can
be read while the EEPROM is being written.
A0-A18
Address Inputs
DQ0-DQ7
Data Input / Outputs
EE
EEPROM Block Enable
EF
Flash Block Enable
G
Output Enable
W
Write Enable
R/B
Ready/Busy Output
V
CC
Supply Voltage
V
SS
Ground
Table 1. Signal Names
TSOP40 (NC)
10 x 20 mm
October 1998
1/30
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