M93S56-125 Datasheet PDF - STMicroelectronics
| Part Number | M93S56-125 | |
| Description | MICROWIRE serial EEPROM | |
| Manufacturers | STMicroelectronics | |
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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.
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M93S66-125 M93S56-125 M93S46-125
1 Description
Description
The M93S66-125, M93S56-125 and M93S46-125 are a range of 4-Kbit, 2-Kbit, and 1-Kbit
serial Electrically Erasable PROgrammable Memory (EEPROM) products. They are
collectively referred to as M93Sx6-125.
Figure 1. Logic diagram
Table 1. Signal names
Signal name
S
D
Q
C
PRE
W
VCC
VSS
Description
Chip Select Input
Serial Data Input
Serial Data Output
Serial Clock
Protection Register Enable
Write Enable
Supply Voltage
Ground
The M93Sx6-125 is accessed through a Serial Data Input (D) and Serial Data Output (Q)
using the MICROWIRE bus protocol. The memory is divided into 256, 128 and 64 x16-bit
words (respectively for M93S66-125, M93S56-125 and M93S46-125).
The M93Sx6-125 is accessed by a set of instructions which includes Read, Write,
Page Write, Write All and instructions used to set the memory protection. These are
summarized in Table 2 and Table 3.
A Read data from memory (READ) instruction loads the address of the first word to be read
into an internal address pointer. The data contained at this address is then clocked out
serially. The address pointer is automatically incremented after the data is output and, if the
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for M93S56-125 electronic component. |
| Information | Total 28 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ M93S56-125.PDF Datasheet ] | |
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