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CDP1823C

Part Number	CDP1823C
Manufacturer	Intersil Corporation
Description	High-Reliability CMOS 128-Word x 8-Bit Static RAM
Published	Mar 23, 2005
Detailed Description	CDP1823C/3 March 1997 High-Reliability CMOS 128-Word x 8-Bit Static RAM Description The CDP1823C/3 is a 128 word x 8-bi...
Datasheet	CDP1823C PDF File

Overview

CDP1823C/3 March 1997 High-Reliability CMOS 128-Word x 8-Bit Static RAM Description The CDP1823C/3 is a 128 word x 8-bit CMOS/SOS static random access memory.
It is compatible with the CDP1802, CDP1804, CDP1805, and CDP1806 microprocessors, and will interface directly without additional components.
The CDP1823C has a recommended operating voltage range of 4V to 6.
5V.
The CDP1823C memory has 8 common data input and data output terminals for direct connection to a bidirectional data bus and is operated from a single voltage supply.
Five chip select inputs are provided to simplify memory system expansion.
In order to enable the CDP1823C, the chip select inputs CS2, CS3, and CS5 require a low input signal, and the chip select inputs CS1 and CS4 require a high input signal.
The MRD signal enables all 8 output drivers when in the low state and should be in a high state during a write cycle.
After valid data appear at the output, the address inputs may be changed immediately.
Output data will be valid until either the MRD signal goes high, the device is deselected, or tAA (access time) after address changes.
Features • For Applications in Aerospace, Military, and Critical Industrial Equipment • Compatible with CDP1800-Series Microprocessors at Maximum Speed • Interfaces with CDP1800-Series without Additional Components • Fast Access Time • At VDD = 5V, +25oC .
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275ns • Single Voltage Supply • Common Data Inputs and Outputs • Multiple Chip Select Inputs to Simplify Memory System Expansion • High Noise Immunity .
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30% of VDD • Memory Retention for Standby Battery Voltage Down to 2V at 25oC • Latch-Up-Free Transient Radiation Tolerance Microprocessors Ordering Information PACKAGE SBDIP TEMP.
RANGE PART NUMBER (5V) PKG.
NO.
D24.
6 -55oC to +125oC CDP1823CD3 Pinout CDP1823C/3 (SBDIP) TOP VIEW BUS 0 BUS 1 BUS 2 BUS 3 BUS 4 BUS 5 BUS 6 BUS 7 CS1 1 2 3 4 5 6 7 8 9 24 VDD 23 A0 22 A1 21 A2 20 A3 19 A4...

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