SST49LF040 Silicon Storage Technology, SST49LF040 Datasheet - Page 26

• Manufacturer Part Number: SST49LF040
• Description: 4 Mbit LPC Flash
• Manufacturer: Silicon Storage Technology

©2001 Silicon Storage Technology, Inc.
FIGURE 14: T
LFRAME#
LAD[3:0]
RST#
CE#
LCLK
RST# = V IH
RST# = V IH
LFRAME#
LFRAME#
CE# = V IL
CE# = V IL
LAD[3:0]
LAD[3:0]
LCLK
LCLK
OGGLE
Note: YYYY must be within memory address range specified in Figures 4 and 5.
B
1st Start
Start
1 Clock 1 Clock
1 Clock 1 Clock
Start
1 Clock 1 Clock
0000b
IT
0000b
0000b
T
IMING
Memory
Memory
Memory
Cycle
011Xb
Write
010Xb
Cycle
Cycle
010Xb
Read
Read
A[31:28] A[27:24]
A[31:28] A[27:24]
A[31:28] A[27:24]
D
IAGRAM
Write the last command (Program or Erase) to the device in LPC mode.
A[23:20] A[19:16]
A[23:20] A[19:16]
Load Address in 8 Clocks
Load Address in 8 Clocks
Load Address in 8 Clocks
A[23:20] A[19:16]
(LPC M
When internal write complete, the DQ 6 will stop toggle.
Read the DQ 6 to see if internal write complete or not.
Address 1
Address 1
Address 1
ODE
A[15:12]
A[15:12]
A[15:12]
26
)
A[11:8]
A[11:8]
A[11:8]
A[7:4]
A[7:4]
A[7:4]
A[3:0]
A[3:0]
A[3:0]
Load Data in 2 Clocks
1111b
D[3:0]
1111b
2 Clocks
2 Clocks
Data
TAR
TAR
Tri-State
Tri-State
D[7:4]
1 Clock
1 Clock
0000b
1111b
0000b
Sync
Sync
2 Clocks
TAR
Tri-State
XXXXb
Data out 2 Clocks
Data out 2 Clocks
XXXXb
Data
Data
4 Mbit LPC Flash
1 Clock
X,D6#,XXb
X,D6,XXb
0000b
Sync
Advance Information
SST49LF040
S71213-00-000 11/01 562
TAR
TAR
TAR
562 ILL F13.2
Command
Start next
Next start
Next start
1 Clock
1 Clock
0000b
0000b
1 Clock
0000b