M29F002T
Key Features
- Each block can be erased separately, any combination of blocks can be specified for multi-block erase or the entire chip may be erased. The Erase operations are managedautomaticallyby the P/E.C.The block erase operation can be suspended in order to read from or program to any block not being ersased, and then resumed. Block protection provides additional data security. Each block can be separately protectedor unprotectedagainstProgram or Erase on programming equipment. All previously protected blocks can be temporarily unprotectedin the application. Bus Operations The following operations can be performed using the appropriatebus cycles: Read (Array, Electronic Signature, Block Protection Status), Write command, Output Disable, Standby, Reset, Block Prot ec t io n , Unp ro t e ct io n, P ro t e cti on Verif y, Unprotection Verify and Block Temporary Unprotection. See Tables 4 and
- Command Interface Instructions, made up of commands written in cycles, can be given to the Program/EraseController through a Command Interface (C.I.). For added data protection, program or erase execution starts after 4 or 6 cycles. The first, second, fourth and fifth cycles are used to input Coded cycles to the C.I. This Coded sequence is the same for all Program/Erase Controller instructions. The ’Command’ itself and its confirmation, when applicable, are given on the third, fourth or sixth cycles. Any incorrect command or any improper command sequence will reset the device to Read Array mode. 3/29
