Description
M93C86, M93C76, M93C66, M93C56, M93C46
1
Description
The M93C86, M93C76, M93C66, M93C56 and M93C46 are electrically erasable
programmable memory (EEPROM) devices. They are accessed through a Serial Data input
(D) and Serial Data output (Q) using the MICROWIRE bus protocol.
Figure 1.
Logic diagram
VCC
D
C
M93Cx6
S
ORG
Q
VSS
AI01928
Table 2.
Signal names
Function
Chip Select
Serial Data input
Serial Data output
Serial Clock
Organisation Select
Supply voltage
Ground
Input
Input
Output
Input
Input
Direction
Signal name
S
D
Q
C
ORG
V
CC
V
SS
The memory array organization may be divided into either bytes (x8) or words (x16) which
may be selected by a signal applied on Organization Select (ORG). The bit, byte and word
sizes of the memories are as shown in
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