SLE 4442 C Infineon Technologies, SLE 4442 C Datasheet - Page 18

• Manufacturer Part Number: SLE 4442 C
• Description: IC EEPROM 256BYTE CHIP
• Manufacturer: Infineon Technologies

Specifications of SLE 4442 C

• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: SLE4442C; SP000060256

2.3.3 Update Main Memory (SLE 4432 and SLE 4442)
The command programs the addressed EEPROM byte with the data byte transmitted. Depending
on the old and new data, one of the following sequences will take place during the processing mode:
(All values at 50 kHz clock rate.)
Address
(decimal)
255
32
31
3
2
1
0
Command: UPDATE MAIN MEMORY
Binary
Hexadecimal
Semiconductor Group
:
:
– erase and write
– write without erase
– erase without write
Main Memory
Data Byte 255 (D7 … D0) –
:
Data Byte 32 (D7 … D0)
Data Byte 31 (D7 … D0)
:
Data Byte 3 (D7 … D0)
Data Byte 2 (D7 … D0)
Data Byte 1 (D7 … D0)
Data Byte 0 (D7 … D0)
B7
0
B6
0
(5 ms)
(2.5 ms) corresponding to m = 124 clock pulses
(2.5 ms) corresponding to m = 124 clock pulses
B5
1
corresponding to m = 255 clock pulses
B4
1
Control
–
:
Protection Bit 3 (D3)
Protection Bit 2 (D2)
Protection Bit 1 (D1)
Protection Bit 0 (D0)
Protection Memory
–
Protection Bit 31 (D31) –
38
H
B3
1
16
B2
0
B1
0
Security Memory
(only SLE 4442)
–
–
–
–
Reference Data Byte 3 (D7 … D0)
Reference Data Byte 2 (D7 … D0)
Reference Data Byte 1 (D7 … D0)
Error Counter
B0
0
Address
A7…A0
Address
00
H
…FF
H
Data
D7…D0
Input data
Input data
SLE 4432
SLE 4442