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Note on Using the TLCS-870 Series OTP Products

Product name
TOSHIBA Microcontrollers 870 Family
  • TMP87PH00
  • TMP87PM20
  • TMP87PM40
  • TMP87PM40A
  • TMP87PM70
  • TMP87PP71

Dear Customer

With regard to the TLCS-870 Series OTP microcontrollers listed above, the following problem has been identified. If this issue presents you with any problem, please contact your local Toshiba sales office.

Problem

When the power supply start-up is over 10ms, a maximum of approximately 25 μA of DC current may pass through the OTP control circuit in some rare cases. On these rare occations, the supply current values in SLOW, SLEEP and STOP modes cannot meet the values specified in the technical datasheet.

There is no problem in other DC characteristics, and operational functions and mask ROM products.

Alternative products
When a set can be developed newly, Toshiba will recommend the following alternate products.
This table is Alternative products
Object products Alternative products
TMP87PH00 TMP86PM49
TMP87PM20 TMP87PM21
TMP87PM40 TMP86PM49
TMP87PM40A TMP86PM49
TMP87PM70 TMP86PM74A
TMP87PP71 TMP87PS71A

Contacts

If you have any queries, click one of these links:

Technical queries
Queries about purchasing, sampling and IC reliability
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·Before creating and producing designs and using, customers must also refer to and comply with the latest versions of all relevant TOSHIBA information and the instructions for the application that Product will be used with or for.