M39432 查看數據表（PDF） - STMicroelectronics

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M39432

Single Chip 4 Mbit Flash Memory and 256 Kbit Parallel EEPROM

STMicroelectronics 

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

VCC

Supply Voltage

VSS

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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