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PIC12C509A-04I Datasheet(PDF) 7 Page - Microchip Technology |
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PIC12C509A-04I Datasheet(HTML) 7 Page - Microchip Technology |
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7 / 113 page  © 1999 Microchip Technology Inc. DS40139E-page 7 PIC12C5XX 2.0 PIC12C5XX DEVICE VARIETIES A variety of packaging options are available. Depending on application and production requirements, the proper device option can be selected using the information in this section. When placing orders, please use the PIC12C5XX Product Identification System at the back of this data sheet to specify the correct part number. 2.1 UV Erasable Devices The UV erasable version, offered in ceramic side brazed package, is optimal for prototype development and pilot programs. The UV erasable version can be erased and reprogrammed to any of the configuration modes. Microchip’s PICSTART® PLUS and PRO MATE® pro- grammers all support programming of the PIC12C5XX. Third party programmers also are available; refer to the Microchip Third Party Guide for a list of sources. 2.2 One-Time-Programmable (OTP) Devices The availability of OTP devices is especially useful for customers who need the flexibility for frequent code updates or small volume applications. The OTP devices, packaged in plastic packages permit the user to program them once. In addition to the program memory, the configuration bits must also be programmed. Note: Please note that erasing the device will also erase the pre-programmed internal calibration value for the internal oscillator. The calibration value must be saved prior to erasing the part. 2.3 Quick-Turnaround-Production (QTP) Devices Microchip offers a QTP Programming Service for factory production orders. This service is made available for users who choose not to program a medium to high quantity of units and whose code patterns have stabilized. The devices are identical to the OTP devices but with all EPROM locations and fuse options already programmed by the factory. Certain code and prototype verification procedures do apply before production shipments are available. Please con- tact your local Microchip Technology sales office for more details. 2.4 Serialized Quick-Turnaround Production (SQTPSM) Devices Microchip offers a unique programming service where a few user-defined locations in each device are programmed with different serial numbers. The serial numbers may be random, pseudo-random or sequential. Serial programming allows each device to have a unique number which can serve as an entry-code, password or ID number. 2.5 Read Only Memory (ROM) Device Microchip offers masked ROM to give the customer a low cost option for high volume, mature products. |
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