M39432
Single Chip 4 Mbit Flash Memory and
256 Kbit Parallel EEPROM
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Multiple Memories on a Single Chip:
鈥?4 Mbit Flash Memory (organised as 8 sectors)
鈥?256 Kbit EEPROM
鈥?64 Byte One Time Programmable Memory
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CONCURRENT Mode (Read Flash while
writing to EEPROM)
WRITE, PROGRAM and ERASE Status Bits
2.7V to 3.6V Single Supply Voltage for
PROGRAM, ERASE and READ Operations
100 ns Access Time (Flash and EEPROM
blocks)
Low Power Consumption
鈥?60
碌A
Stand-by mode (maximum)
鈥?Deep Power Down mode:
6
碌A
(maximum), 200 nA (typical)
TSOP40 (NC)
10 x 20 mm
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Standard Flash Memory Package
100,000 Erase/Write Cycles (minimum)
10 Year Data Retention (minimum)
DESCRIPTION
The M39432 is a single supply voltage memory
device combining Flash memory and EEPROM on
a single chip. The memory is mapped in two
Table 1. Signal Names
A0-A18
DQ0-DQ7
EE
EF
G
W
R/B
V
CC
V
SS
Address Inputs
Data Inputs / Outputs
Figure 1. Logic Diagram
VCC
19
A0-A18
W
8
DQ0-DQ7
EEPROM Block Enable
EE
Flash Block Enable
Output Enable
Write Enable
Ready/Busy Output
Supply Voltage
Ground
M39432
R/B
EF
G
VSS
AI01946
November 1999
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