M93C66-WMN6 STMicroelectronics, M93C66-WMN6 Datasheet - Page 6

• Manufacturer Part Number: M93C66-WMN6
• Description: IC EEPROM 4KBIT 2MHZ 8SOIC
• Manufacturer: STMicroelectronics

Specifications of M93C66-WMN6

• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Memory Size: 4K (512 x 8 or 256 x 16)
• Speed: 2MHz
• Interface: Microwire, 3-Wire Serial
• Voltage - Supply: 2.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-1934-5

Description
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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.
Table 2.
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
S
D
Q
C
ORG
V
V
CC
SS
Signal name
Logic diagram
Signal names
Chip Select
Serial Data input
Serial Data output
Serial Clock
Organization Select
Supply voltage
Ground
ORG
D
C
Doc ID 4997 Rev 11
S
Table 3.
V CC
V SS
Function
M93Cx6
M93C86, M93C76, M93C66, M93C56, M93C46
Q
AI01928
Input
Input
Output
Input
Input
Direction