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PIC16F7X7
PIC16F7X7 (Rev. A2 Silicon) Data Sheet Errata
The PIC16F7X7 Rev. A2 parts you have received conform functionally to the Device Data Sheet (DS30498B), except for the anomalies described below. All the problems listed here will be addressed in future revisions of the PIC16F7X7 silicon. None.
Clarifications/Corrections to the Data Sheet:
In the Device Data Sheet (DS30498B), the following clarifications and corrections should be noted. Revision A2 Silicon can be identified by the following: Device PIC16F737 PIC16F747 PIC16F767 PIC16F777 Device ID 00 1011 101 00 1011 111 00 1101 111 00 1110 101 Rev. ID 0x1 0x1 0x1 0x1
1. Module: DC Characteristics (BOR Specifications)
The revision A2 silicon for the PIC16F7X7 family is not conforming to the BOR (parameter D005) specifications listed in Section 18.1 of the device data sheet. The following table shows the current test limits (modified values are shown in bold).
18.1
DC Characteristics: PIC16F737/747/767/777 (Industrial, Extended) PIC16LF737/747/767/777 (Industrial)
Standard Operating Conditions (unless otherwise stated) Operating temperature -40C TA +85C for industrial Standard Operating Conditions (unless otherwise stated) Operating temperature -40C TA +85C for industrial Min Typ Max Units Conditions
PIC16LF737/747/767/777 (Industrial) PIC16F737/747/767/777 (Industrial, Extended) Param Sym No. Characteristic
VBOR Brown-out Reset Voltage PIC16LF7X7 Industrial Low Voltage D005 BORV1:BORV0 = 11 BORV1:BORV0 = 10 BORV1:BORV0 = 01 BORV1:BORV0 = 00 D005 BORV1:BORV0 = 1x BORV1:BORV0 = 01 BORV1:BORV0 = 00 N/A 2.45 3.88 4.09 N/A 3.80 4.09 N/A N/A V V V V V V V Not in operating voltage range of device Reserved 2.72 2.99 4.22 4.64 4.54 4.99 -- N/A
PIC16F7X7 Industrial 4.22 4.64 4.54 4.99
2004 Microchip Technology Inc.
DS80177A-page 1
PIC16F7X7
2. Module: LVD Specifications
The revision A2 silicon for the PIC16F7X7 family is not conforming to the LVD (parameter D420) specifications listed in Table 18-3 of the device data sheet. The following table shows the current test limits (modified values are shown in bold).
TABLE 18-3:
PIC16LF7X7 (Industrial)
LOW-VOLTAGE DETECT CHARACTERISTICS
Standard Operating Conditions (unless otherwise stated) Operating temperature -40C TA +85C for industrial Standard Operating Conditions (unless otherwise stated) Operating temperature -40C TA +85C for industrial -40C TA +125C for extended Characteristic LVD Voltage on VDD Transition High to Low PIC16LF7X7 LVDL<3:0> = 0000 LVDL<3:0> = 0001 LVDL<3:0> = 0010 LVDL<3:0> = 0011 LVDL<3:0> = 0100 LVDL<3:0> = 0101 LVDL<3:0> = 0110 LVDL<3:0> = 0111 LVDL<3:0> = 1000 LVDL<3:0> = 1001 LVDL<3:0> = 1010 LVDL<3:0> = 1011 LVDL<3:0> = 1100 LVDL<3:0> = 1101 LVDL<3:0> = 1110 Min Industrial N/A N/A 2.08 2.25 2.35 2.55 2.64 2.82 3.09 3.28 3.38 3.56 3.74 3.94 4.23 Industrial 3.56 3.74 3.94 4.23 3.87 4.07 4.28 4.60 4.18 4.40 4.62 4.97 V V V V N/A N/A 2.26 2.45 2.55 2.77 2.87 3.07 3.36 3.57 3.67 3.87 4.07 4.28 4.60 N/A N/A 2.44 2.65 2.75 2.99 3.10 3.32 3.63 3.86 3.96 4.18 4.40 4.62 4.97 V V V V V V V V V V V V V V V Reserved Reserved Typ Max Units Conditions
PIC16F7X7 (Industrial, Extended) Param No. D420 Symbol
D420
LVD Voltage on VDD Transition High to Low PIC16F7X7 LVDL<3:0> = 1011 LVDL<3:0> = 1100 LVDL<3:0> = 1101 LVDL<3:0> = 1110
Legend:
Shading of rows is to assist in readability of the table. Production tested at TAMB = 25C. Specifications over temperature limits ensured by characterization.
DS80177A-page 2
2004 Microchip Technology Inc.
PIC16F7X7
3. Module: LVDCON Register
The Low-Voltage Detect Control register, Register 15-3 in the device data sheet, does not show the current low-voltage detection limits for bits 3-0. The following register shows the current test limits (changes are shown in bold).
REGISTER 15-3:
LVDCON REGISTER
U-0 -- bit 7 U-0 -- R-0 IRVST R/W-0 LVDEN R/W-0 LVDL3 R/W-1 LVDL2 R/W-0 LVDL1 R/W-1 LVDL0 bit 0
bit 7-6 bit 5
Unimplemented: Read as `0' IRVST: Internal Reference Voltage Stable Flag bit 1 = Indicates that the Low-Voltage Detect logic will generate the interrupt flag at the specified voltage range 0 = Indicates that the Low-Voltage Detect logic will not generate the interrupt flag at the specified voltage range and the LVD interrupt should not be enabled LVDEN: Low-Voltage Detect Power Enable bit 1 = Enables LVD, powers up LVD circuit 0 = Disables LVD, powers down LVD circuit LVDL3:LVDL0: Low-Voltage Detection Limit bits 1111 = External analog input is used (input comes from the LVDIN pin) 1110 = 4.23V-4.97V 1101 = 3.94V-4.62V 1100 = 3.74V-4.40V 1011 = 3.56V-4.18V 1010 = 3.38V-3.96V 1001 = 3.28V-3.86V 1000 = 3.09V-3.63V 0111 = 2.82V-3.32V 0110 = 2.64V-3.10V 0101 = 2.55V-2.99V 0100 = 2.35V-2.75V 0011 = 2.25V-2.65V 0010 = 2.08V-2.44V 0001 = Reserved 0000 = Reserved Note: LVDL3:LVDL0 modes which result in a trip point below the valid operating voltage of the device are not tested.
bit 4
bit 3-0
Legend: R = Readable bit - n = Value at POR W = Writable bit `1' = Bit is set U = Unimplemented bit, read as `0' `0' = Bit is cleared x = Bit is unknown
2004 Microchip Technology Inc.
DS80177A-page 3
PIC16F7X7
REVISION HISTORY
Rev A Document (1/2004) Original version of this document. Data Sheet Clarification issues 1 (BOR Specifications), 2 (LVD Specifications) and 3 (LVDCON Register).
DS80177A-page 4
2004 Microchip Technology Inc.
Note the following details of the code protection feature on Microchip devices: * * Microchip products meet the specification contained in their particular Microchip Data Sheet. Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the intended manner and under normal conditions. There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip's Data Sheets. Most likely, the person doing so is engaged in theft of intellectual property. Microchip is willing to work with the customer who is concerned about the integrity of their code. Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not mean that we are guaranteeing the product as "unbreakable."
*
* *
Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our products. Attempts to break Microchip's code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act.
Information contained in this publication regarding device applications and the like is intended through suggestion only and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. No representation 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 authorized except with express written approval by Microchip. No licenses are conveyed, implicitly or otherwise, under any intellectual property rights.
Trademarks The Microchip name and logo, the Microchip logo, Accuron, dsPIC, KEELOQ, MPLAB, PIC, PICmicro, PICSTART, PRO MATE and PowerSmart are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. AmpLab, FilterLab, microID, MXDEV, MXLAB, PICMASTER, SEEVAL, SmartShunt and The Embedded Control Solutions Company are registered trademarks of Microchip Technology Incorporated in the U.S.A. Application Maestro, dsPICDEM, dsPICDEM.net, dsPICworks, ECAN, ECONOMONITOR, FanSense, FlexROM, fuzzyLAB, In-Circuit Serial Programming, ICSP, ICEPIC, microPort, Migratable Memory, MPASM, MPLIB, MPLINK, MPSIM, PICkit, PICDEM, PICDEM.net, PICtail, PowerCal, PowerInfo, PowerMate, PowerTool, rfLAB, rfPIC, Select Mode, SmartSensor, SmartTel and Total Endurance are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. Serialized Quick Turn Programming (SQTP) is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. (c) 2004, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. Printed on recycled paper.
Microchip received ISO/TS-16949:2002 quality system certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona and Mountain View, California in October 2003. The Company's quality system processes and procedures are for its PICmicro(R) 8-bit MCUs, KEELOQ(R) code hopping devices, Serial EEPROMs, microperipherals, nonvolatile memory and analog products. In addition, Microchip's quality system for the design and manufacture of development systems is ISO 9001:2000 certified.
DS80177A-page 5
2004 Microchip Technology Inc.
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01/08/04
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DS80177A-page 6
2004 Microchip Technology Inc.

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