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CDP1824CE Fiches technique(PDF) 1 Page - Intersil Corporation |
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CDP1824CE Fiches technique(HTML) 1 Page - Intersil Corporation |
1 / 6 page 6-37 Features • Fast Access Time -VDD = 5V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 710ns -VDD = 10V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320ns • No Precharge or Clock Required Description The CDP1824 and CDP1824C are 32-word x 8-bit fully static CMOS random-access memories for use in CDP-1800 series microprocessor systems. These parts are compatible with the CDP1802 microprocessor and will interface directly without additional components. The CDP1824 is fully decoded and does not require a pre- charge or clocking signal for proper operation. It has common input and output and is operated from a single voltage supply. The MRD signal (output disable control) enables the three-state output drivers, and overrides the MWR signal. A CS input is provided for memory expansion. The CDP1824C is functionally identical to the CDP1824. The CDP1824 has an operating range of 4V to 10.5V, and the CDP1824C has an operating voltage range of 4V to 6.5V. The CDP1824 and CDP1824C are supplied in 18 lead hermetic dual-in-line ceramic packages (D suffix), and in 18 lead dual-in-line plastic packages (E suffix). Pinout CDP1824, CDP1824C (PDIP, SBDIP) TOP VIEW Ordering Information 5V 10V PACKAGE TEMPERATURE RANGE PKG. NO. CDP1824CE CDP1824E PDIP -40oC to +85oC E18.3 CDP1824CEX CDP1824EX Burn-In E18.3 CDP1824CD CDP1824D SBDIP -40oC to +85oC D18.3 10 11 12 13 14 15 16 17 18 9 8 7 6 5 4 3 2 1 VDD MRD CS BUS 0 BUS 1 BUS 2 BUS 3 MWR BUS 4 MA4 MA3 MA2 MA1 MA0 BUS 7 BUS 5 BUS 6 VSS OPERATIONAL MODES FUNCTION CS MRD MWR DATA PINS STATUS READ 0 0 X Output: High/Low Dependent on Data WRITE 0 1 0 Input: Output Disabled Not Selected 1 X X Output Disabled: High-Impedance State Standby 0 1 1 Output Disabled: High-Impedance State Logic 1 = High Logic 0 = Low X = Don’t Care March 1997 CDP1824, CDP1824C 32-Word x 8-Bit Static RAM File Number 1103.2 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. http://www.intersil.com or 407-727-9207 | Copyright © Intersil Corporation 1999 |
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Description similaire - CDP1824CE |
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