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PDF DS1213C Data sheet ( Hoja de datos )
| Número de pieza | DS1213C | |
| Descripción | SmartSocket 256k | |
| Fabricantes | Dallas Semiconducotr | |
| Logotipo |  |
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FEATURES
Accepts standard 32K 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
Proven gas-tight socket contacts
Operating temperature range 0°C to 70°C
DS1213C
SmartSocket 256k
PIN ASSIGNMENT
1 28 VCC
2 27
3 26
4 25
5 24
6 23
7 22
8 21
9 20 CE
10 19
11 18
12 17
13 16
GND 14
15
28-Pin Intelligent Socket
PIN DESCRIPTION
CE – Conditioned Chip Enable
VCC
GND
– Switched VCC
– Ground
All pins pass through except 20 and 28.
DESCRIPTION
The DS1213C SmartSocket is a 28-pin, 600 mil DIP socket with a built-in CMOS controller circuit and
an embedded lithium energy source. It accepts a 32K x 8 JEDEC bytewide CMOS static RAM. When the
socket is mated with a CMOS RAM, it provides a complete solution o problems associated with memory
volatility. The SmartSocket monitors incoming VCC for an out-of- tolerance condition. When such a
condition occurs, the 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 memory alone. The SmartSocket uses only Pins 20 and 28 for RAM
control. All other pins are passed straight through.
See the DS1213B SmartSocket data sheet for technical details.
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| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet DS1213C.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| DS1213B | SmartSocket 16k/64k | Dallas Semiconducotr |
| DS1213C | SmartSocket 256k | Dallas Semiconducotr |
| DS1213D | SmartSocket 256k/1M | Dallas Semiconducotr |
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