KM29W040AT Samsung Semiconductor, KM29W040AT Datasheet - Page 15

• Manufacturer Part Number: KM29W040AT
• Manufacturer: Samsung Semiconductor

Specifications of KM29W040AT

• Cell Type: NAND
• Density: 4Mb
• Access Time (max): 15us
• Interface Type: Parallel
• Boot Type: Not Required
• Address Bus: 8b
• Operating Supply Voltage (typ): 3.3/5V
• Operating Temp Range: 0C to 70C
• Package Type: TSOP-II
• Sync/async: Asynchronous
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 5.5V
• Word Size: 8b
• Number Of Words: 512K
• Supply Current: 20mA
• Mounting: Surface Mount
• Pin Count: 40
• Lead Free Status / Rohs Status: Not Compliant

PROGRAM OPERATION
CLE
CE
WE
ALE
RE
I/O
R/B
KM29W040AT, KM29W040AIT
READ OPERATION
CLE
CE
WE
ALE
RE
I/O
R/B
0
0
~
~
7
7
Sequential Data
Input Command
80H
t
WC
00h
Column
Address
(INTERCEPTED BY CE)
Column
Address
A
0
A
~ A
0
~A
7
7
A
8
~ A
A
Row
Address
Address
8
~A
15
Row
15
A
16
t
WC
~ A
A
16
18
~A
18
t
WB
1 up to 32 Byte Data
Serial Input
Din
Busy
t
N
t
RR
R
t
AR
15
N+1
Din
Dout N
t
WC
Dout N+1
Din
31
Program
Command
10H
Dout N+2
t
WB
FLASH MEMORY
t
PROG
Dout N+3
t
CHZ
I/O
I/O
0
0
=0 Successful Program
=1 Error in Program
Read Status
Command
70H
I/O
0