M39432 datasheet(1/28 Pages) STMICROELECTRONICS

部件名	M39432

功能描述	Single Chip 4 Mbit Flash Memory and 256 Kbit Parallel EEPROM

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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November 1999

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

Figure 1. Logic Diagram

AI01946

19

A0-A18

EE

DQ0-DQ7

VCC

M39432

G

EF

VSS

8

W

R/B

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

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