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NM29A080EM Datasheet

  • NM29A080EM

  • 4-Mbit/8-Mbit CMOS Serial FLASH E2PROM

  • 14頁

  • NSC

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NM29A040 080 4-Mbit 8-Mbit CMOS Serial FLASH E
2
PROM
February 1996
NM29A040 080
4-Mbit 8-Mbit CMOS Serial FLASH E
2
PROM
General Description
The NM29A040 080 are 4-Mbit and 8-Mbit Flash memories
designed with a MICROWIRE
TM
serial interface All of the
features of the device are designed to provide the most cost
effective solution for applications requiring low bandwidth
file storage Examples of these applications include digital
answering machines and personal digital recorders (digital
audio) or FAX and digital scanners (digital imaging) The
Serial Flash requires only a single 5V power supply has a
small erase block size (4 kbytes) and a low EMI serial inter-
face
The NM29A040 080 have been designed to work seam-
lessly with National鈥檚 CompactRISC
TM
family (e g
NSAM266) of processors In this manner National is able to
provide the complete system solution to digital audio re-
cording (processor CODEC Flash memory software) or
digital imaging
Features
Y
Y
Y
Y
Y
Y
Y
Single 5V
g
10% power supply
4 kbyte erase block
Organized as 128 (256) Blocks per 4-Mbit (8-Mbit)
Device
128 pages per block
32 bytes per page (256 bits)
MICROWIRE
TM
compatible interface
Low operating current (typical)
5 mA read current
15 mA write current
10 mA erase current
5
mA
standby current
100k write erase cycle endurance
Offered in PLCC and SOIC packages
Block Diagram
TL D 12475 鈥?1
TRI-STATE is a registered trademark of National Semiconductor Corporation
MICROWIRE
TM
SpeechPro
TM
CompactRISC
TM
and CompactSPEECH
TM
are trademarks of National Semiconductor Corporation
C
1996 National Semiconductor Corporation
TL D 12475
RRD-B30M36 Printed in U S A
http
www national com

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