TE28F400B3B90 Intel, TE28F400B3B90 Datasheet - Page 47

• Manufacturer Part Number: TE28F400B3B90
• Manufacturer: Intel

Specifications of TE28F400B3B90

• Cell Type: NOR
• Density: 4Mb
• Access Time (max): 90ns
• Interface Type: Parallel
• Boot Type: Bottom
• Address Bus: 18b
• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: -40C to 85C
• Package Type: TSOP
• Sync/async: Asynchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 3.6V
• Word Size: 16b
• Number Of Words: 256K
• Supply Current: 18mA
• Mounting: Surface Mount
• Pin Count: 48
• Lead Free Status / Rohs Status: Not Compliant

Appendix A Write State Machine Current/Next States
Preliminary
Current State
Prog. Susp. to
Read Status
Read Status
Erase Setup
Erase Susp.
Erase Susp.
Prog. Setup
Erase Cmd.
Read Array
Suspend to
Suspend to
Read Array
Suspend to
(complete)
(complete)
(continue)
(continue)
Identifier
Program
Program
Program
Identifier
Program
to Read
to Read
Identifier
Status
Erase
Erase
Erase
Read
Read
Error
Array
SR.7
“1”
“1”
“1”
“1”
“0”
“1”
“1”
“1”
“1”
“1”
“1”
“0”
“1”
“1”
“1”
“1”
Identifier
Identifier
Identifier
Status
Status
Status
Status
Status
Status
Status
Status
Status
Status
When
Read
Array
Array
Array
Data
Susp. to
Susp. to
Susp. to
Susp. to
Susp. to
Susp. to
Array
(FFH)
Erase
Erase
Erase
Read
Read
Array
Read
Array
Read
Array
Prog.
Read
Array
Prog.
Read
Array
Prog.
Read
Array
Read
Array
Read
Array
Read
Array
Read
Array
Read
Array
Read
Array
Erase Command Error
28F004/400B3, 28F008/800B3, 28F016/160B3, 28F320B3, 28F640B3
Setup (10/
Program
Program
Program
Program
Program
Program
Program
Program
Program
Program
Program Suspend
Program Suspend
Program Suspend
Setup
Setup
Setup
Setup
Setup
Setup
Setup
Setup
Setup
Program (continue)
40H)
to Read Array
to Read Array
Erase (continue)
to Read Array
Susp. to
Susp. to
Susp. to
Setup
Erase
Erase
Setup
Erase
Setup
Erase
Setup
Erase
Setup
Erase
Setup
Erase
Erase
Erase
Erase
Setup
(20H)
Read
Array
Read
Array
Read
Array
Program (Command Input = Data to be Programmed)
(continue)
(continue)
(continue)
(continue)
Confirm
Program
Program
Program
Command Input (and Next State)
Erase
(D0H)
Erase
Erase
Erase
Erase
Cmd. Error
Read Array
Read Array
Read Array
Read Array
Read Array
Read Array
Read Array
Read Array
Read Array
Read Array
Read Array
Read Array
Erase Sus.
Rd. Status
Prog/Ers
Suspend
Sysop. to
Susp. to
Susp. to
Susp. to
Program
Program
Program
Susp. to
Susp. to
Susp. to
to Read
(B0H)
Status
Erase
Erase
Erase
Erase
Prog.
(continue)
(continue)
(continue)
(continue)
Prog/Ers
Resume
Program
Program
Program
(D0H)
Erase
Erase
Erase
Erase
Program (continue)
Susp. to
Susp. to
Susp. to
Susp. to
Susp. to
Susp. to
Status
Status
Status
Status
Status
Status
Status
Status
Status
Status
Status
Status
Status
Erase (continue)
Erase
Erase
Erase
Read
(70H)
Read
Read
Read
Prog.
Read
Prog.
Read
Prog.
Read
Read
Read
Read
Read
Read
Read
Erase Command Error
Susp. to
Susp. to
Susp. to
Susp. to
Sus. to
Status
Sus. to
Erase
Erase
Erase
Clear
(50H)
Read
Array
Read
Array
Read
Array
Prog.
Read
Array
Prog.
Read
Array
Prog.
Read
Array
Read
Array
Read
Array
Read
Array
Read
Array
Read
Array
Read
Array
Ers. Susp.
Ers. Susp.
Ers. Susp.
Identifier.
Susp. to
Identifier
Identifier
Identifier
Identifier
Identifier
Identifier
Identifier
Identifier
Identifier
Identifier
Identifier
Identifier
Susp. to
Susp. to
to Read
to Read
to Read
Read
(90H)
Read
Read
Read
Prog.
Read
Prog.
Read
Prog.
Read
Read
Read
Read
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