DS1213D Maxim Integrated Products, DS1213D Datasheet

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DS1213D

Manufacturer Part Number
DS1213D
Description
IC SMARTSOCKET 256K/1M 32-DIP
Manufacturer
Maxim Integrated Products
Datasheet

Specifications of DS1213D

Controller Type
Smartsocket SRAM
Voltage - Supply
4.75 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Package / Case
32-DIP (600 mil) Socket Module
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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Part Number
Manufacturer
Quantity
Price
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Manufacturer:
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Part Number:
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FEATURES
DESCRIPTION
The DS1213D SmartSocket is a 32-pin, 600 mil DIP socket with a built-in CMOS controller circuit and
an embedded lithium energy source. It accepts 32K x 8 or 128K x 8 JEDEC bytewide CMOS static
RAM. When the socket is mated with a CMOS RAM, it provides a complete solution to problems
associated with memory volatility. The SmartSocket monitors incoming V
condition. When such a condition occurs, an internal lithium energy source is automatically switched on
and write protection is unconditionally enabled to prevent data corruption. Using the SmartSocket saves
printed circuit board space since the SRAM/SmartSocket combination occupies no more area than the
SRAM alone. The SmartSocket uses only Pins 22, 30 and 32 for RAM control. All other pins are passed
straight through.
See the DS1213B SmartSocket data sheet for technical details.
See Dallas Semiconductor Application Note 4 for modification instructions to allow use of 512K x8
RAM with this part.
www.dalsemi.com
Accepts standard 32K x 8 or 128K x 8
CMOS static RAMs
Embedded lithium energy cell retains RAM
data
Self-contained circuitry safeguards data
Data retention time is greater than 10 years
with the proper RAM selection
IC socket permits upgrading from 32K x 8 to
128K x 8 RAM
Proven gas-tight socket contacts
Operating temperature range 0°C to 70°C
1 of 2
GND
PIN ASSIGNMENT
PIN DESCRIPTION
V
GND
All pins pass through except 22, 30 and 32.
CE
CC
32-Pin Intelligent Socket
14
15
16
10
12
13
11
4
1
2
3
5
6
8
9
7
SmartSocket 256k/1M
- Conditioned Chip Enable
- Switched V
- Ground
CC
29
27
19
32
31
30
28
26
25
23
22
21
20
18
24
17
for an out-of-tolerance
V
V
CE
CC
CC
CC
DS1213D
022900

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DS1213D Summary of contents

Page 1

... Operating temperature range 0°C to 70°C DESCRIPTION The DS1213D SmartSocket is a 32-pin, 600 mil DIP socket with a built-in CMOS controller circuit and an embedded lithium energy source. It accepts 32K 128K x 8 JEDEC bytewide CMOS static RAM. When the socket is mated with a CMOS RAM, it provides a complete solution to problems associated with memory volatility ...

Page 2

... DS1213D INTELLIGENT SOCKET 32-PIN (600 MIL DIP) PKG DIM DS1213D 32-PIN MIN MAX 1.580 1.620 40.13 41.15 0.690 0.720 17.53 18.29 0.400 0.470 10.16 11.94 0.035 0.065 0.89 1.65 0.055 0.075 1.39 1.90 0.120 0.160 3 ...

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