I am trying to read an Atmel 93C56B eeprom, so8 surface mount package, with this programmer. When using the so8 adapter in the zif socket it works perfectly. However when I use the test clip, it is giving me read errors on every other bit. The errors are consistent and seem to happen with every. ICSP programming example on 93c56 with REVELPROG-is serial device programmer and SOIC-8 clip:http://www.reveltronics.com/en/products/revelprog-is-serial-memo.
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93C56 Summary of contents
93c56 Eeprom Programmer
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... DESCRIPTION The Microchip Technology Inc. 93C56A 2K-bit, low-voltage serial Electrically Erasable PROM. The device memory is configured as 256 x 8 bits (93C56A) or 128 x 16 bits (93C56B). Advanced CMOS technol- ogy makes this device ideal for low-power, nonvolatile memory applications. The 93C56A/B is available in standard 8-pin DIP and surface mount SOIC packages ...
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... ELECTRICAL CHARACTERISTICS 1.1 Maximum Ratings* ...................................................................................7. All inputs and outputs w.r.t. ................ -0.6V to Vcc +1. Storage temperature .....................................- +150 C Ambient temp. with power applied.................- +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” may cause permanent damage to the device ...
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... RESET status. 2.2 Serial Clock (CLK) The Serial Clock is used to synchronize the communi- cation between a master device and the 93C56A/B. 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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93c86 Eeprom Programmer
... FUNCTIONAL DESCRIPTION Instructions, addresses, and write data are clocked into the DI pin on the rising edge of the clock (CLK). The DO pin is normally held in a HIGH-Z state except when reading data from the device, or when checking the READY/BUSY status during a programming operation. ...
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... ERAL cycle is com- CSL plete. T CSL ••• CSL 0 X ••• Preliminary 93C56A/B CHECK STATUS BUSY READY HIGH-Z CHECK STATUS BUSY READY HIGH-Z DS21206B-page 5 ...
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... The READ instruction outputs the serial data of the addressed memory location on the DO pin. A dummy zero bit precedes the 8-bit (93C56A) or 16-bit (93C56B) output string. The output data bits will toggle on the rising edge of the CLK and are stable after the specified time delay (T when CS is held high ...
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... WRITE The WRITE instruction is followed by 8-bits (93C56A) 16-bits (93C56B) of data which are written into the specified address. After the last data bit is clocked into the DI pin, the self-timed auto-erase and programming cycle begins. The DO pin indicates the READY/BUSY status of the ...
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... NOTES: DS21206B-page 8 Preliminary 1998 Microchip Technology Inc. ...
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... NOTES: 1998 Microchip Technology Inc. Preliminary 93C56A/B DS21206B-page 9 ...
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... NOTES: DS21206B-page 10 Preliminary 1998 Microchip Technology Inc. ...
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... PRODUCT IDENTIFICATION SYSTEM To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office. 93C56A/B /P Package: Temperature Range: Device: Sales and Support Data Sheets Products supported by a preliminary Data Sheet may have an errata sheet describing minor operational differences and recom- mended workarounds ...
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M W ORLDWIDE AMERICAS Corporate Office Microchip Technology Inc. 2355 West Chandler Blvd. Chandler, AZ 85224-6199 Tel: 602-786-7200 Fax: 602-786-7277 Technical Support: 602 786-7627 Web: http://www.microchip.com Atlanta Microchip Technology Inc. 500 Sugar Mill Road, Suite 200B Atlanta, GA 30350 Tel: ...
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