M93S66-125 M93S56-125 M93S46-125
Automotive 4-Kbit, 2-Kbit and 1-Kbit MICROWIRE serial EEPROM with block protection
Data...
M93S66-125 M93S56-125 M93S46-125
Automotive 4-Kbit, 2-Kbit and 1-Kbit MICROWIRE serial EEPROM with block protection
Datasheet − production data
Features
■ Industry standard MICROWIRETM bus ■ Single supply
voltage: 2.5 to 5.5 V ■ Single organization: by word (x16) ■ Programming instructions that work on: word or
entire memory ■ Self-timed programming cycle with auto-erase ■ User-defined write-protected area ■ Page Write mode (4 words) ■ Ready/Busy signal during programming ■ Speed: 2-MHz clock rate, 5 ms write time ■ Sequential Read operation ■ Enhanced ESD/Latch-up behavior ■ More than 1 million Erase/Write cycles ■ More than 40-year data retention
SO8 (MN) 150 mil width
March 2012
This is information on a product in full production.
Doc ID 022567 Rev 1
1/28
www.st.com
1
Contents
Contents
M93S66-125 M93S56-125 M93S46-125
1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Power-on data protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3 Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.1 Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 3.2 Write Enable and Write Disable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 3.3 Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...