AT93C86 Catalyst Semiconductor, AT93C86 Datasheet
AT93C86
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AT93C86 Summary of contents
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... CAT93C46/56/57/66/86 1K/2K/2K/4K/16K-Bit Microwire Serial E FEATURES High Speed Operation: – 93C46/56/57/66: 1MHz – 93C86: 3MHz Low Power CMOS Technology 1.8 to 6.0 Volt Operation Selectable x8 or x16 Memory Organization Self-Timed Write Cycle with Auto-Clear Hardware and Software Write Protection DESCRIPTION ...
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ABSOLUTE MAXIMUM RATINGS* Temperature Under Bias ................. – +125 C Storage Temperature ....................... – +150 C Voltage on any Pin with (1) Respect to Ground ............ –2. with Respect to Ground ............... ...
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PIN CAPACITANCE Symbol Test (3) C OUTPUT CAPACITANCE (DO) OUT (3) C INPUT CAPACITANCE (CS, SK, DI, ORG) IN INSTRUCTION SET Instruction Device Start Opcode Type Bit READ 93C46 1 (1) 93C56 1 93C66 1 93C57 1 93C86 1 ERASE ...
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A.C. CHARACTERISTICS (93C46/56/57/66) SYMBOL PARAMETER t CS Setup Time CSS t CS Hold Time CSH t DI Setup Time DIS t DI Hold Time DIH t Output Delay to 1 PD1 t Output Delay to 0 PD0 (1) t ...
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DEVICE OPERATION The CAT93C46/56(57)66/ 1024/2048/4096/ 16,384-bit nonvolatile memory intended for use with industry standard microprocessors. The CAT93C46/56/ 57/66/86 can be organized as either registers of 16 bits or 8 bits. When organized as X16, seven 9-bit instruc- tions ...
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The format for all instructions sent to the device is a logical "1" start bit, a 2-bit (or 4-bit) opcode, 6-bit (93C46)/ /7-bit (93C57)/ 8-bit (93C56 or 93C66)/10-bit (93C86) (an additional bit when organized X8) and for write operations ...
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Erase Upon receiving an ERASE command and address, the CS (Chip Select) pin must be deasserted for a minimum The falling edge of CS will start the self clocking CSMIN clear cycle of the selected memory location. ...
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Figure 5. EWEN/EWDS Instruction Timing ENABLE=11 Figure 6. ERAL Instruction Timing HIGH-Z DO Figure 7. WRAL Instruction Timing ...
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ORDERING INFORMATION Prefix Device # CAT 93C46 Optional Product Company ID Number 93C46: 1K 93C56: 2K 93C57: 2K 93C66: 4K 93C86: 16K * -40˚ to +125˚C is available upon request Notes: (1) The device used in the above example is ...