M39432 Datasheet, PDF (1/28 Pages) STMicroelectronics – Single Chip 4 Mbit Flash Memory and 256 Kbit Parallel EEPROM

M39432
Single Chip 4 Mbit Flash Memory and
256 Kbit Parallel EEPROM
s Multiple Memories on a Single Chip:
– 4 Mbit Flash Memory (organised as 8 sectors)
– 256 Kbit EEPROM
– 64 Byte One Time Programmable Memory
s CONCURRENT Mode (Read Flash while
writing to EEPROM)
s WRITE, PROGRAM and ERASE Status Bits
s 2.7V to 3.6V Single Supply Voltage for
PROGRAM, ERASE and READ Operations
s 100 ns Access Time (Flash and EEPROM
blocks)
s Low Power Consumption
– 60 µA Stand-by mode (maximum)
– Deep Power Down mode:
6 µA (maximum), 200 nA (typical)
s Standard Flash Memory Package
s 100,000 Erase/Write Cycles (minimum)
s 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
Address Inputs
DQ0-DQ7
Data Inputs / 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
TSOP40 (NC)
10 x 20 mm
Figure 1. Logic Diagram
VCC
19
A0-A18
W
EE
EF
G
M39432
8
DQ0-DQ7
R/B
VSS
AI01946
November 1999
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