M93C66-WDW6T STMicroelectronics, M93C66-WDW6T Datasheet - Page 13

• Manufacturer Part Number: M93C66-WDW6T
• Manufacturer: STMicroelectronics

Specifications of M93C66-WDW6T

• Density: 4Kb
• Interface Type: Serial (Microwire)
• Organization: 512x8/256x16
• Frequency (max): 2MHz
• Write Protection: No
• Data Retention: 40Year
• Operating Supply Voltage (typ): 3.3/5V
• Package Type: TSSOP
• Operating Temp Range: -40C to 85C
• Supply Current: 2mA
• Operating Supply Voltage (min): 2.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 8
• Lead Free Status / Rohs Status: Not Compliant

M93C86, M93C76, M93C66, M93C56, M93C46
Table 6.
1. X = Don't Care bit.
2. Address bit A8 is not decoded by the M93C56.
3. Address bit A7 is not decoded by the M93C56.
Table 7.
1. X = Don't Care bit.
2. Address bit A10 is not decoded by the M93C76.
3. Address bit A9 is not decoded by the M93C76.
READ
WRITE
WEN
WDS
ERASE
ERAL
WRAL
Instruction
Instruction
READ
WRITE
WEN
WDS
ERASE
ERAL
WRAL
Read Data from
Memory
Write Data to
Memory
Write Enable
Write Disable
Erase Byte or
Word
Erase All
Memory
Write All Memory
with same Data
Read Data from
Memory
Write Data to
Memory
Write Enable
Write Disable
Erase Byte or Word
Erase All Memory
Write All Memory
with same Data
Instruction set for the M93C56 and M93C66
Instruction set for the M93C76 and M93C86
Description
Description
Start
bit
1
1
1
1
1
1
1
Start
bit
1
1
1
1
1
1
1
code
Op-
10
01
00
00
11
00
00
code
Op-
11
00
10
01
00
00
00
Address
1 1XXX
0 0XXX
1 0XXX
0 1XXX
A8-A0
A8-A0
A8-A0
XXXX
XXXX
XXXX
XXXX
(1) (2)
x8 origination (ORG = 0)
Address
11X XXXX
00X XXXX
10X XXXX
01X XXXX
A10-A0
A10-A0
A10-A0
XXXX
XXXX
XXXX
XXXX
x8 Origination (ORG = 0)
(2)
Q7-Q0
D7-D0
D7-D0
(1),
Data
Q7-Q0
D7-D0
D7-D0
Data
clock cycles
Required
20
12
12
12
12
20
Required
cycles
clock
22
14
14
14
14
22
Address
A7-A0
A7-A0
A7-A0
XXXX
XXXX
XXXX
XXXX
11XX
00XX
10XX
01XX
(1) (3)
x16 origination (ORG = 1)
Address
11 XXXX
00 XXXX
10 XXXX
01 XXXX
A9-A0
x16 Origination (ORG = 1)
A9-A0
XXXX
XXXX
A9-A0
XXXX
XXXX
(1) (3)
Q15-Q0
D15-D0
D15-D0
Data
Q15-Q0
D15-D0
D15-D0
Data
Instructions
clock cycles
Required
Required
27
11
11
11
11
27
cycles
clock
29
13
13
13
13
29
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