CDP1871ACE Intersil Corporation, CDP1871ACE Datasheet
CDP1871ACE
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CDP1871ACE Summary of contents
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... Shift, Control, and Alpha Lock Input • RC-Controlled Debounce Circuitry • Single Supply 4V to 10. (CDP1871A 6. (CDP1871AC) • N-Key Lockout Ordering Information PACKAGE TEMP. RANGE o o PDIP - +85 C CDP1871ACE o o PLCC - +85 C CDP1871ACQ o o SBDIP - +85 C CDP1871ACD ...
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CS1, N0-N2 CONTROL CS2, CS3 23 24 MRD CS4 34 TPB TPB CDP1800-SERIES CPU V DD SHIFT 39 SHIFT CONTROL 38 CONTROL ALPHA LOCK 37 ALPHA NORMAL BUS0-BUS7 8 BIT DATA BUS FIGURE 1. TYPICAL CDP1800 SERIES MICROPROCESSOR SYSTEM ...
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... C/ +125 + - +150 STG 1/32 In. (1.59 0.79mm) LIMITS CDP1871ACD, CDP1871ACE MIN MAX UNITS 4 6 0.4 MHz - - MHz LIMITS CDP1871ACD CDP1871ACE (NOTE1) MAX MIN TYP MAX UNITS 200 200 - - - - 0 ...
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... DD 4-69 LIMITS CDP1871ACD CDP1871ACE (NOTE1) MAX MIN TYP MAX UNITS - -0 4.0 2.0 3.3 4 3.0 0.8 1.8 3 2.6 0.3 1.6 2 0. 4.95 5 ...
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Functional Description of CDP1871A Terminals D1 - D11 (Outputs): Drive lines for the keyboard switch matrix. These outputs are connected through the external switch matrix to the sense lines ( (Inputs): Sense ...
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CPU CS4 CDP1800- Series Signal MRD MRD MRD TABLE 3. DRIVE AND SENSE LINE KEYBOARD CONNECTIONS (NOTE 2) SENSE LINES ...
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TABLE 4. HEXIDECIMAL VALUES OF ASCII CHARACTERS BITS ...
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... DD 4- This X X CDP1871ACD, CDP1871ACE (NOTE 1) MIN TYP MAX UNITS - - - Note Note 2 100 260 500 150 850 1900 ...
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CC t TPB CWL t CWH KEY CLOSED CLOSURE t DAL DA RPT DEBOUNCE D1-D11 PRESENT COUNT CS (NOTE) BUS0-BUS7 NOTE CS1 CS2 CS3 CS4 CS1, CS2, CS3 = (CPU N-LINES) CS4 (MRD) ...
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... 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 ...