93C76 Microchip Technology, 93C76 Datasheet
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93C76
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93C76 Summary of contents
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... These devices also have a Program Enable (PE) pin to allow the user to write protect the entire contents of the memory array. The 93C76/86 is available in standard 8-pin DIP and 8- pin surface mount SOIC packages. Microwire is a registered trademark of National Semiconductor Incorporated. 1996 Microchip Technology Inc. ...
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... ELECTRICAL CHARACTERISTICS 1.1 Maximum Ratings* V ...................................................................................7.0V CC All inputs and outputs w.r.t. V ............... -0.6V to Vcc +1.0V SS Storage temperature ..................................... -65˚C to +150˚C Ambient temp. with power applied................. -65˚C to +125˚C Soldering temperature of leads (10 seconds) ............. +300˚C ESD protection on all pins................................................4 kV *Notice: Stresses above those listed under “Maximum ratings” ...
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... Typical program cycle per word. 3: 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. TABLE 1-4: INSTRUCTION SET FOR 93C76: ORG=1 (X16 ORGANIZATION) Instruction SB Opcode ...
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... TABLE 1-6: INSTRUCTION SET FOR 93C86: ORG=1 (X16 ORGANIZATION) Instruction SB Opcode READ EWEN ERASE ERAL WRITE 1 01 ...
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... Data Out pin. 2.3 Erase/Write Enable and Disable (EWEN, EWDS) The 93C76/86 powers up in the Erase/Write Disable (EWDS) state. All programming modes must be pre- ceded by an Erase/Write Enable (EWEN) instruction. Once the EWEN instruction is executed, programming remains enabled until an EWDS instruction is executed removed from the device ...
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... DEVICE OPERATION 3.1 READ The READ instruction outputs the serial data of the addressed memory location on the DO pin. A dummy zero bit precedes the 16 bit (x16 organization bit (x8 organization) output string. The output data bits will toggle on the rising edge of the CLK and are stable after the specifi ...
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... Microchip Technology Inc CKH CKL T DIH STATUS VALID ... ... ... ORG X’s CC ORG X’s SS ... ORG X’s CC ORG X’S SS Preliminary 93C76/86 T CSH CSL ... CSL T CSL X DS21132C-page 7 ...
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... FIGURE 3-5: WRITE CS CLK HIGH IMPEDANCE DO FIGURE 3-6: WRAL CS CLK HIGH IMPEDANCE DO ORG X’s CC ORG X’s SS FIGURE 3-7: ERASE CS CLK HIGH IMPEDANCE DO DS21132C-page 8 ... ... ... Guarantee at Vcc = +4.5V to +5.5V. ... ... Preliminary STANDBY ...
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... RESET status. 4.2 Serial Clock (CLK) The Serial Clock is used to synchronize the communi- cation between a master device and the 93C76/86. Opcode, address, and data bits are clocked in on the positive edge of CLK. Data bits are also clocked out on the positive edge of CLK. ...
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... NOTES: DS21132C-page 10 Preliminary 1996 Microchip Technology Inc. ...
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... Product Identification System To order or obtain information, e.g., on pricing or delivery, please use the listed part numbers, and refer to the factory or the listed sales office. 93C76/86 – \P Package: Temperature Range: Device: Sales and Support Products supported by a preliminary Data Sheet may possibly have an errata sheet describing minor operational differences and recommended workarounds ...
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... Information contained in this publication regarding device applications and the like is intended through suggestion only and may be superseded by updates. No repre- sentation or warranty is given and no liability is assumed by Microchip Technology Incorporated with respect to the accuracy or use of such information, or infringement of patents or other intellectual property rights arising from such use or otherwise. Use of Microchip’s products as critical components in life support systems is not autho- rized except with express written approval by Microchip ...