Datenblatt-Suchmaschine für elektronische Bauteile |
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93LCS66-SN Datenblatt(PDF) 3 Page - Microchip Technology |
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93LCS66-SN Datenblatt(HTML) 3 Page - Microchip Technology |
3 / 12 page © 1996 Microchip Technology Inc. Preliminary DS11181D-page 3 93LCS56/66 TABLE 1-3: INSTRUCTION SET FOR 93LCS56*/66 Status valid time TSV 500 ns CL=100 pF Program cycle time TWC 10 ms ERASE/WRITE mode (Note 3) TEC 15 ms ERAL mode TWL 30 ms WRAL mode Endurance — 1M — cycles 25 °C, Vcc = 5.0V, Block Mode (Note 4) 3: Typical program cycle time is 4 ms per word. 4: This parameter is not tested but guaranteed by characterization. For endurance estimates in a specific appli- cation, please consult the Total Endurance Model which can be obtained on our BBS or website. 93LCS56/66 (x 16 organization) Instruction SB Opcode Address Data In Data Out PRE PE Comments READ 1 10 A7 - A0 — D15-D0 0 X Reads data stored in memory, start- ing at specified address (.Note). EWEN 1 00 11XXXXXX — High-Z 0 1 Erase/Write Enable must precede all programming modes. ERASE 1 11 A7 - A0 — (RDY/ BSY) 1 Erase data at specified address location if address is unprotected (Note). ERAL 1 00 10XXXXXX — (RDY/ BSY) 0 1 Erase all registers to “FF”. Valid only when Protect Register is cleared. WRITE 1 01 A7 - A0* D15 - D0 (RDY/ BSY) 0 1 Writes register if address is unpro- tected. WRAL 1 00 01XXXXXX D15 - D0 (RDY/ BSY) 0 1 Writes all registers. Valid only when Protect Register is cleared. EWDS 1 00 00XXXXXX — High-Z 0 X Erase/Write Disable deactivates all programming instructions. PRREAD 1 10 XXXXXXXX — A7-A0 1 X Reads address stored in Protect Register. PREN 1 00 11XXXXXX — High-Z 1 1 Must immediately precede PRCLEAR, PRWRITE and PRDS instructions. PRCLEAR 1 11 11111111 — (RDY/ BSY) 1 1 Clears the Protect Register such that all data are NOT write-protected. PRWRITE 1 01 A7 - A0* — (RDY/ BSY) 1 1 Programs address into Protect Reg- ister. Thereafter, memory addresses greater than or equal to the address in Protect Register are write-pro- tected. PRDS 1 00 00000000 — (RDY/ BSY) 1 1 ONE TIME ONLY instruction after which the address in the Protect Register cannot be altered. Note: Address A7 bit is a “don’t care” on 93LCS56. TABLE 1-2: DC AND AC ELECTRICAL CHARACTERISTICS VCC = +2.5V to +6.0V Commercial(C): Tamb = 0˚C to +70˚C Industrial (I): Tamb = -40˚C to +85˚C Parameter Symbol Min Max Units Conditions (Continued) |
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