cdp1823 Intersil Corporation, cdp1823 Datasheet
cdp1823
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cdp1823 Summary of contents
Page 1
... The two memories are functionally identical. They differ in that the CDP1823 has a recommended operating voltage range 10.5V, and the CDP1823C has a recommended oper- ating voltage range 6.5V. The CDP1823 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 ...
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... FUNCTION MRD MWR Read 0 X Write 1 0 Stand-By (Active Not Selected Logic 1 = High, Logic 0 = Low Don’t Care CDP1823, CDP1823C OPERATIONAL MODES CS1 CS2 CS3 CS4 CS5 ...
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... Absolute Maximum Ratings DC Supply Voltage Range (All Voltages Referenced to V Terminal) SS CDP1823 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to +11V CDP1823C -0.5V to +7V Input Voltage Range, All Inputs . . . . . . . . . . . . . -0. Input Current, Any One Input Operating Temperature Range ( Package Type -55 Package Type -40 Recommended Operating Conditions PARAMETER ...
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... A 2. Time required by a limit device to allow for the indicated function. + ADDRESS MRD CS2, CS3, CS5 CS1, CS4 DATA OUT HIGH IMPEDANCE NOTE: 1. MWR is high during read operation. Timing measurement reference is 0.5 V CDP1823, CDP1823C - 20ns ...
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... A 2. Time required by a limit device to allow for the indicated function. ADDRESS CS1, CS4 CS2, CS3, CS5 MWR xxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxx BUS 0-7 xxxxxxxxxxxxxxxxx NOTE: 1. MRD must be high during write operation. CDP1823, CDP1823C - CDP1823 V (NOTE 2) ...
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... Rise and Fall Time NOTE: o Typical values are for and nominal CDR FIGURE 3. LOW V CDP1823, CDP1823C o = -40 to +85 C, see Figure 3 A TEST CONDITIONS CDP1823 V V (NOTE (V) (V) MIN TYP - - - 1 ...
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... BUS0 - BUS7 DATA FIGURE 5. CDP1823 (128 x 8) MINIMUM SYSTEM (128 x 8) All Intersil semiconductor products are manufactured, assembled and tested under ISO9000 quality systems certification. Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use ...