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NM27LV210 Schematic ( PDF Datasheet ) - Fairchild

Teilenummer NM27LV210
Beschreibung 1 /048 /576-Bit (64K x 16) Low Voltage EPROM
Hersteller Fairchild
Logo Fairchild Logo 




Gesamt 9 Seiten
NM27LV210 Datasheet, Funktion
NM27LV210
1,048,576-Bit (64K x 16) Low Voltage EPROM
General Description
The NM27LV210 is a high performance Low Voltage Electrical
Programmable read only memory. It is manufactured using
Fairchild’s latest EPROM technology. This technology allows the
part to operate at high speeds.
This Low Voltage and Low Power EPROM is designed with power
sensitive hand held and portable battery products in mind. This
allows for code storage of firmware for applications like notebook
computers, palm top computers, cellular phones, and HDD.
The NM27LV210 is one member of Fairchild’s growing Low
Voltage product family.
Features
s 3.0V to 3.6V operation
s 200 ns, 250 ns maximum access time
s Low current operation
— 20mA ICC active current @ 5 MHz
— 50µA ICC standby current @ 5 MHz
s Ultra low power operation
— 60 µA standby power @ 3.3V
— 50 mW active power @ 3.3V
s Surface mount package option
— 44-Pin PLCC
Block Diagram
Vcc
GND
Vpp
OE
PGM
CE
A0 - A15
Address
Inputs
Output Enable
Chip Enable, and
Program Logic
Y
Decoder
X
Decoder
Data Outputs O0 - O15
Output
Buffers
1,048,576-Bit
Cell Matrix
July 1998
DS011376-1
© 1998 Fairchild Semiconductor Corporation
1
www.fairchildsemi.com






NM27LV210 Datasheet, Funktion
Turbo LV Programming Algorithm Flow Chart
VCC = 6.5V VPP = 12.75V
n=0
ADDRESS = FIRST LOCATION
PROGRAM ONE 50µs PULSE
INCREMENT n
DEVICE
FAILED
NO
YES n = 10?
FAIL VERIFY
BYTE
PASS
LAST NO
ADDRESS
?
YES
INCREMENT
ADDRESS
n=0
ADDRESS = FIRST LOCATION
INCREMENT
ADDRESS
VERIFY FAIL
BYTE
PASS
NO LAST
ADDRESS
?
YES
PROGRAM ONE
50 µs
PULSE
CHECK ALL BYTES
1ST: VCC = VPP = 5.0V
2ND: VCC = VPP = 3.0V
Note: The standard National Semiconductor algorithm may also be used but it will have longer programming time.
FIGURE 1.
DS011376-6
6 www.fairchildsemi.com

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