AM29F400BT-70SF Spansion Inc., AM29F400BT-70SF Datasheet - Page 33

• Manufacturer Part Number: AM29F400BT-70SF
• Description: IC, FLASH, 4MBIT, 70NS, SOIC-44
• Manufacturer: Spansion Inc.

Specifications of AM29F400BT-70SF

• Memory Type: Flash
• Memory Size: 4Mbit
• Memory Configuration: 512K X 8 / 256K X 16
• Access Time: 70ns
• Supply Voltage Range: 4.5V To 5.5V
• Memory Case Style: SOIC
• No. Of Pins: 44
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AC CHARACTERISTICS
November 11, 2009 21505E8
Notes:
1. SA = sector address (for Sector Erase), VA = Valid Address for reading status data (see “Write Operation Status”).
2. Illustration shows device in word mode.
Addresses
RY/BY#
WE#
Data
OE#
CE#
V
CC
t
VCS
t
Erase Command Sequence (last two cycles)
CS
Figure 14. Chip/Sector Erase Operation Timings
2AAh
t
WC
t
WP
t
DS
55h
t
t
DH
CH
D A T A
555h for chip erase
t
WPH
Am29F400B
t
AS
SA
S H E E T
10 for Chip Erase
t
AH
30h
t
BUSY
t
WHWH2
Read Status Data
VA
Progress
In
VA
Complete
t
RB
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