M93C66-WMN6P STMicroelectronics, M93C66-WMN6P Datasheet - Page 7

• Manufacturer Part Number: M93C66-WMN6P
• Description: IC EEPROM 4KBIT 2MHZ 8SOIC
• Manufacturer: STMicroelectronics

Specifications of M93C66-WMN6P

• 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)
• Organization: 512 x 8
• Interface Type: Microwire
• Maximum Clock Frequency: 2 MHz
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.5 V
• Maximum Operating Current: 2 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Operating Supply Voltage: 2.5 V, 5.5 V
• Memory Configuration: 512 X 8, 256 X 16
• Clock Frequency: 2MHz
• Supply Voltage Range: 2.5V To 5.5V
• Memory Case Style: SOIC
• No. Of Pins: 8
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-5672-5

Table 6. Instruction Set for the M93C56 and M93C66
Note: 1. X = Don’t Care bit.
Table 7. Instruction Set for the M93C76 and M93C86
Note: 1. X = Don’t Care bit.
READ
WRITE
EWEN
EWDS
ERASE
ERAL
WRAL
READ
WRITE
EWEN
EWDS
ERASE
ERAL
WRAL
Instruc
Instruc
tion
tion
2. Address bit A8 is not decoded by the M93C56.
3. Address bit A7 is not decoded by the M93C56.
2. Address bit A10 is not decoded by the M93C76.
3. Address bit A9 is not decoded by the M93C76.
Read Data from
Memory
Write Data to
Memory
Erase/Write Enable
Erase/Write Disable
Erase Byte or Word
Erase All Memory
Write All Memory
with same Data
Read Data from
Memory
Write Data to
Memory
Erase/Write Enable
Erase/Write Disable
Erase Byte or Word
Erase All Memory
Write All Memory
with same Data
Description
Description
Start
Start
bit
bit
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Code
Code
Op-
Op-
10
01
00
00
11
00
00
10
01
00
00
11
00
00
Address
Address
11X XXXX
00X XXXX
10X XXXX
01X XXXX
1 1XXX
0 0XXX
1 0XXX
0 1XXX
A10-A0
A10-A0
A10-A0
A8-A0
A8-A0
A8-A0
XXXX
XXXX
XXXX
XXXX
XXXX
XXXX
XXXX
XXXX
x8 Origination (ORG = 0)
x8 Origination (ORG = 0)
M93C86, M93C76, M93C66, M93C56, M93C46
1,2
1,2
Q7-Q0
Q7-Q0
D7-D0
D7-D0
D7-D0
D7-D0
Data
Data
Required
Required
Cycles
Cycles
Clock
Clock
20
12
12
12
12
20
22
14
14
14
14
22
Address
Address
11 XXXX
00 XXXX
10 XXXX
01 XXXX
A7-A0
A7-A0
A7-A0
A9-A0
A9-A0
A9-A0
XXXX
XXXX
XXXX
XXXX
XXXX
XXXX
XXXX
XXXX
x16 Origination (ORG = 1)
11XX
00XX
10XX
01XX
x16 Origination (ORG = 1)
1,3
1,3
Q15-Q0
Q15-Q0
D15-D0
D15-D0
D15-D0
D15-D0
Data
Data
Required
Required
Cycles
Cycles
Clock
Clock
27
11
11
11
11
27
29
13
13
13
13
29
7/31