MICROWIRE bus EEPROM - STMicroelectronics
Description
M93S46-W M93S56-W M93S66W
4 Kbit, 2 Kbit and 1 Kbit serial MICROWIRE bus EEPROM with write protection
Datasheet - production data
PDIP8 (BN)
TSSOP8 (DW) 169 mil width
SO8 (MN) 150 mil width
MSv35377V1
Features
• Compatible with MICROWIRE bus serial interface
• Memory array − 1 Kbit, 2 Kbit or 4 Kbit of EEPROM − Organized by word (16b) − Page = 4 words
• Write − Byte write within 5 ms − Page write within 5 ms − Ready/busy signal during programming
• User defined write protected area • High-speed clock: 2 MHz • Single supply voltage:
− 2.
5 V to 5.
5 V • Operating temperature range: • -40 °C up to +85 °C.
• Enhanced ESD protection • More than 4 million write cycles • More than 200-year data retention
Packages
• PDIP8 ECOPACK®1 • TSSOP8 ECOPACK®2 • SO8 ECOPACK®2
January 2015
DocID5124 Rev 7
This is information on a product in full production
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Contents
Contents
M93S46-W M93S56-W M93S66W
1 Description.
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5
2 Signal description .
6
2.
1 Serial data output (Q).
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6 2.
2 Serial data input (D) .
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6 2.
3 Serial clock (C).
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6 2.
4 Chip select (S).
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6 2.
5 Protection register (PRE) .
6 2.
6 Write protect (W) .
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6 2.
7 VSS ground .
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6 2.
8 Supply voltage (VCC) .
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6
2.
8.
1 Operating supply voltage VCC .
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...
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