m34e02 STMicroelectronics, m34e02 Datasheet - Page 11

• Manufacturer Part Number: m34e02
• Description: 2 Kbit Serial I?c Bus Eeprom With Permanent And Reversible, Software Write Protection
• Manufacturer: STMicroelectronics

M34E02
Table 2.
1. The most significant bit, b7, is sent first.
2. E0, E1 and E2 are compared against the respective external pins on the memory device.
Memory Area Select
Code (two arrays)
Set Write Protection
(SWP)
Clear Write Protection
(CWP)
Permanently Set Write
Protection (PSWP)
Read SWP
Read CWP
Read PSWP
(2)
Device Select Code
(2)
(2)
V
V
V
V
E2
E2
E2
SS
SS
SS
SS
Chip Enable
Signals
V
V
V
V
E1
E1
E1
CC
CC
SS
SS
V
V
V
V
E0
E0
E0
HV
HV
HV
HV
b7
Device Type Identifier
1
0
(1)
b6
0
1
b5
1
1
b4
0
0
Chip Enable Bits
b3
E2
E2
E2
0
0
0
0
Signal description
b2
E1
E1
E1
0
1
0
1
b1
E0
E0
E0
1
1
1
1
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RW
RW
b0
0
0
0
1
1
1