AM29F040B-55JF Spansion Inc., AM29F040B-55JF Datasheet - Page 26

• Manufacturer Part Number: AM29F040B-55JF
• Description: IC, FLASH, 4MBIT, 55NS, LCC-32
• Manufacturer: Spansion Inc.

Specifications of AM29F040B-55JF

• Memory Type: Flash
• Memory Size: 4Mbit
• Memory Configuration: 512K X 8
• Access Time: 55ns
• Supply Voltage Range: 4.75V To 5.25V
• Memory Case Style: PLCC
• No. Of Pins: 32
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AC CHARACTERISTICS
Note:
SA = Sector Address. VA = Valid Address for reading status data.
24
Note: PA = program address, PD = program data, D
Addresses
Addresses
WE#
Data
OE#
CE#
V
WE#
Data
OE#
CE#
CC
V
CC
t
t
VCS
VCS
Program Command Sequence (last two cycles)
t
Erase Command Sequence (last two cycles)
555h
CS
t
CS
t
2AAh
WC
t
WC
Figure 10. Chip/Sector Erase Operation Timings
t
WP
t
DS
t
t
WP
55h
Figure 9. Program Operation Timings
DS
A0h
t
t
DH
CH
t
DH
t
CH
555h for chip erase
D A T A
t
WPH
t
WPH
OUT
t
AS
PA
t
AS
Am29F040B
SA
is the true data at the program address.
10 for Chip Erase
t
S H E E T
AH
PD
t
AH
30h
t
WHWH1
Read Status Data (last two cycles)
t
PA
WHWH2
Read Status Data
Status
VA
21445E8 November 11, 2009
Progress
In
D
OUT
PA
VA
Complete