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Maxim Integrated Semiconductor Electronic Components Datasheet

DS1217M Datasheet

Nonvolatile Read/Write Cartridge

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DS1217M
Nonvolatile Read/Write Cartridge
www.maxim-ic.com
GENERAL DESCRIPTION
The DS1217M is a nonvolatile RAM designed for
portable applications requiring a rugged and durable
package. The nonvolatile cartridge has memory
capacities from 64k x 8 to 512k x 8. The cartridge is
accessed in continuous 32k byte banks. Bank
switching is accomplished under software control by
pattern recognition from the address bus. A card
edge connector is required for connection to a host
system. A standard 30-pin connector can be used for
direct mount to a printed circuit board. Alternatively,
remote mounting can be accomplished with a ribbon
cable terminated with a 28-pin DIP plug. The remote
method can be used to retrofit existing systems that
have JEDEC 28-pin bytewide memory sites.
ORDERING INFORMATION
PART
TEMP RANGE PIN-PACKAGE
DS1217M
0°C to +70°C
30 Cartridge
PIN CONFIGURATION
FEATURES
User Insertable
Data Retention Greater than 5 Years
Capacity to 512k x 8
Standard Bytewide Pinout Facilitates
Connection to JEDEC 28-Pin DIP Through
Ribbon Cable
Software-Controlled Banks Maintain 32 x 8
JEDEC 28-Pin Compatibility
Multiple Cartridges Can Reside on a Common
Bus
Automatic Write Protection Circuitry
Safeguards Against Data Loss
Manual Switch Unconditionally Protects Data
Compact Size and Shape
Rugged and Durable
Operating Temperature Range: 0°C to +70°C
TOP VIEW
Package Drawing appears at end of data sheet.
Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device
may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata.
1 of 8
REV: 111803


Maxim Integrated Semiconductor Electronic Components Datasheet

DS1217M Datasheet

Nonvolatile Read/Write Cartridge

No Preview Available !

DS1217M Nonvolatile Read/Write Cartridge
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Connection Relative to Ground
Operating Temperature Range
Storage Temperature Range
-0.3V to + 7.0V
0°C to +70°C
-40°C to +70°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only,
and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is
not implied. Exposure to the absolute maximum rating conditions for extended periods may affect device reliability.
RECOMMENDED DC OPERATING CONDITIONS
(TA = 0°C to +70°C)
PARAMETER
SYMBOL
CONDITIONS
Power Supply Voltage
Input High Voltage
Input Low Voltage
VCC
VIH
VIL
MIN TYP MAX UNITS
4.5 5.0 5.5
2.2 VCC
0 +0.8
V
V
V
DC ELECTRICAL CHARACTERISTICS
(VCC = 5V ±10%, TA = 0°C to +70°C.)
PARAMETER
SYMBOL
CONDITIONS
Input Leakage Current
I/O Leakage Current
CE VIH VCC
Output Current at 2.4V
IIL
IIO
IOH
Output Current at 0.4V
IOL
Standby Current CE = 2.2V
ICCS1
Operating Current
ICCO1
MIN
-60
-10
-1.0
+2.0
TYP
-2.0
+3.0
15
50
MAX
+60
+10
25
100
UNITS
A
A
mA
mA
mA
mA
CAPACITANCE
(TA = +25°C)
PARAMETER
Input Capacitance
Input/Output Capacitance
SYMBOL
CIN
COUT
CONDITIONS
MIN TYP MAX UNITS
100 pF
100 pF
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Part Number DS1217M
Description Nonvolatile Read/Write Cartridge
Maker Maxim Integrated
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DS1217M Datasheet PDF






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