M93C76-R datasheet(6/35 Pages) STMICROELECTRONICS

6 / 35 page

Description

M93C86-x M93C76-x M93C66-x M93C56-x M93C46-x

6/35

DocID4997 Rev 17

Description

The M93C46 (1 Kbit), M93C56 (2 Kbit), M93C66 (4 Kbit), M93C76 (8 Kbit) and M93C86

(16 Kbit) are Electrically Erasable PROgrammable Memory (EEPROM) devices accessed

through the MICROWIRE™ bus protocol. The memory array can be configured either in

bytes (x8b) or in words (x16b).

The M93Cx6-W devices operate within a voltage supply range from 2.5 V to 5.5 V and the

M93Cx6-R devices operate within a voltage supply range from 1.8 V to 5.5 V. All these

devices operate with a clock frequency of 2 MHz (or less), over an ambient temperature

range of - 40 °C / + 85 °C.

Table 2. Memory size versus organization

Device

Number of bits

Number of 8-bit bytes

Number of 16-bit words

M93C86

16384

2048

1024

M93C76

8192

1024

512

M93C66

4096

512

256

M93C56

2048

256

128

M93C46

1024

128

Figure 1. Logic diagram

Table 3. Signal names

Signal name

Function

Direction

Chip Select

Input

Serial Data input

Input

Serial Data output

Output

Serial Clock

Input

ORG

Organization Select

Input

VCC

Supply voltage

VSS

Ground

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