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PIC16CR54B Datasheet(PDF) 7 Page - Microchip Technology |
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PIC16CR54B Datasheet(HTML) 7 Page - Microchip Technology |
7 / 218 page © 1998 Microchip Technology Inc. Preliminary DS30453B-page 7 PIC16C5X 2.0 PIC16C5X DEVICE VARIETIES A variety of frequency ranges and 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 PIC16C5X Product Identification System at the back of this data sheet to specify the correct part number. For the PIC16C5X family of devices, there are four device types, as indicated in the device number: 1. C, as in PIC16C54. These devices have EPROM program memory and operate over the standard voltage range. 2. LC, as in PIC16LC54A. These devices have EPROM program memory and operate over an extended voltage range. 3. LV, as in PIC16LV54A. These devices have EPROM program memory and operate over a 2.0V to 3.8V range. 4. CR, as in PIC16CR54A. These devices have ROM program memory and operate over the standard voltage range. 5. LCR, as in PIC16LCR54B. These devices have ROM program memory and operate over an extended voltage range. 2.1 UV Erasable Devices (EPROM) The UV erasable versions, offered in CERDIP packages, are optimal for prototype development and pilot programs UV erasable devices can be programmed for any of the four oscillator configurations. Microchip's PICSTART® and PRO MATE® programmers both support programming of the PIC16C5X. Third party programmers also are available; refer to the 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 expecting frequent code changes and updates. The OTP devices, packaged in plastic packages, permit the user to program them once. In addition to the program memory, the configuration bits must be programmed. 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 configuration bit options already programmed by the factory. Certain code and prototype verification procedures apply before production shipments are available. Please contact your Microchip Technology sales office for more details. 2.4 Serialized Quick-Turnaround-Production (SQTP ) Devices Microchip offers the 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. The devices are identical to the OTP devices but with all EPROM locations and configuration bit options already programmed by the factory. 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) Devices Microchip offers masked ROM versions of several of the highest volume parts, giving the customer a low cost option for high volume, mature products. SM |
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