are a hardware-based write protection circuit for the entire memory area and software-based write protection logic for the lower 128 bytes. Hardware-based write protectio.

Name A0, A1, A2 VSS SDA Type Input
  – I/O Description Input pins for device address selection. To configure a device address, these pins should be connected to the VCC or VSS of the device. Ground pin. Bi-directional data pin for the .

S524C20D11

S524C20D20

S524C20D21

S524C80D40

S524C80D41

S524C80D80

S524C80D81

S524A40X10

S524A40X11

S524A40X20

S524A40X21

S524A40X40

S524A40X41