ATtiny807/1607
ATtiny807/1607 Silicon Errata and Data Sheet Clarification
The ATtiny807/1607 devices you have received conform functionally to the current device data sheet (DS40002030),
except for the anomalies described in this document. The erratas described in this document will likely be addressed
in future revisions of the ATtiny807/1607 devices.
Note: 
This document summarizes all silicon errata issues from all revisions of silicon, previous as well as current.
Refer to the Device/Revision ID section in the current device data sheet (DS40002030) for more detailed
information on Device Identification and Revision IDs for your specific device, or contact your local Microchip
sales office for assistance.
© 2019 Microchip Technology Inc.
Errata
DS40002128B-page 1
1. Silicon Issue Summary
Legend
- Erratum is not applicable.
X Erratum is applicable.
* This silicon revision was never released to production.
Peripheral Short Description Valid for Silicon
Revision
Rev. A
ADC
2.2.1 One Extra Measurement Performed After Disabling ADC Free-Running
Mode
X
2.2.2 Pending Event Stuck When Disabling the ADC X
2.2.3 ADC Functionality Cannot be Ensured with CLKADC Above 1.5 MHz and
a Setting of 25% Duty Cycle
X
2.2.4 ADC Performance Degrades with CLKADC Above 1.5 MHz and VDD <
2.7V
X
CCL
2.3.1 Connecting LUTs in Linked Mode Require OUTEN Set to ‘1’ X
2.3.2 D-latch is Not Functional X
RTC
2.4.1 Any Write to the RTC.CTRLA Register Resets the RTC and PIT
Prescaler
X
2.4.2 Disabling the RTC Stops the PIT X
TCB
2.5.1 Minimum Event Duration Must Exceed the Selected Clock Period X
2.5.2 The TCA Restart Command Does Not Force a Restart of TCB X
USART 2.6.1 TXD Pin Override Not Released When Disabling the Transmitter X
ATtiny807/1607
Silicon Issue Summary
© 2019 Microchip Technology Inc.
Errata
DS40002128B-page 2