M28R400C View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

M28R400C

4 Mbit (256Kb x16, Boot Block) 1.8V Supply Flash Memory

STMicroelectronics 

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M28R400CT, M28R400CB

Current State

Prog. Suspend

Read Elect.Sg.

Prog. Suspend

Read CFI

Program

(complete)

Read

Elect.Sg.

(90h)

Prog.

Suspend

Read

Elect.Sg.

Prog.

Suspend

Read

Elect.Sg.

Read

Elect.Sg.

Read CFI

Query

(98h)

Prog.

Suspend

Read CFI

Query

Prog.

Suspend

Read CFI

Query

Read

CFIQuery

Command Input (and Next State)

Lock Setup Prot. Prog.

(60h)

Setup (C0h)

Lock

Confirm

(01h)

Lock Down

Confirm

(2Fh)

Program Suspend Read Array

Program Suspend Read Array

Lock Setup

Prot. Prog.

Setup

Read Array

Block Erase

Setup

Block Erase Command Error

Block Erase

Cmd.Error

Block Erase

(continue)

Block Erase

Suspend

Read Status

Block Erase

Suspend Read

Array

Block Erase

Suspend Read

Elect.Sg.

Block Erase

Suspend Read

CFI Query

Block Erase

(complete)

Read

Elect.Sg.

Erase

Suspend

Read

Elect.Sg.

Erase

Suspend

Read

Elect.Sg.

Erase

Suspend

Read

Elect.Sg.

Erase

Suspend

Read

Elect.Sg.

Read

Elect.Sg.

Read CFI

Query

Erase

Suspend

Read CFI

Query

Erase

Suspend

Read CFI

Query

Erase

Suspend

Read CFI

Query

Erase

Suspend

Read CFI

Query

Read CFI

Query

Lock Setup

Prot. Prog.

Setup

Block Erase (continue)

Read Array

Lock Setup

Erase Suspend Read Array

Lock Setup

Erase Suspend Read Array

Lock Setup

Erase Suspend Read Array

Lock Setup

Erase Suspend Read Array

Lock Setup

Prot. Prog.

Setup

Read Array

Chip Erase

Setup

Chip Erase Command Error

Chip Erase

Cmd.Error

Read

Elect.Sg.

Read CFI

Query

Lock Setup

Prot. Prog.

Setup

Chip Erase

(continue)

Chip Erase (continue)

Chip Erase

(complete)

Read

Elect.Sg.

Read CFI

Query

Lock Setup

Prot. Prog.

Setup

Note: Cmd = Command, Elect.Sg. = Electronic Signature, Prog. = Program, Prot = Protection.

Read Array

Read Array

Unlock

Confirm

(D0h)

Program

(continue)

Program

(continue)

Erase

(continue)

Erase

(continue)

Erase

(continue)

Erase

(continue)

Erase

(continue)

Erase

(continue)

Chip Erase

Set Up

(80h)

Program

Suspend

Read Array

Program

Suspend

Read Array

Chip Erase

Set Up

Block Erase

Command

Error

Chip Erase

Set Up

Erase

Suspend

Read Array

Erase

Suspend

Read Array

Erase

Suspend

Read Array

Erase

Suspend

Read Array

Chip Erase

Set Up

Chip Erase

Command

Error

Chip Erase

Set Up

Chip Erase

Set Up

46/48

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