AM29F400BB-90SF Spansion Inc., AM29F400BB-90SF Datasheet - Page 32

• Manufacturer Part Number: AM29F400BB-90SF
• Description: IC, FLASH, 4MBIT, 90NS, SOIC-44
• Manufacturer: Spansion Inc.

Specifications of AM29F400BB-90SF

• Memory Type: Flash
• Memory Size: 4Mbit
• Memory Configuration: 512K X 8 / 256K X 16
• Access Time: 90ns
• 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
30
Notes:
1. PA = program address, PD = program data, D
2. Illustration shows device in word mode.
Addresses
RY/BY#
WE#
Data
OE#
CE#
V
CC
t
VCS
Program Command Sequence (last two cycles)
555h
t
CS
t
WC
Figure 13. Program Operation Timings
t
t
WP
DS
A0h
t
DH
t
CH
D A T A
OUT
t
WPH
t
AS
is the true data at the program address.
PA
Am29F400B
t
S H E E T
AH
PD
t
BUSY
t
WHWH1
Read Status Data (last two cycles)
PA
Status
21505E8 November 11, 2009
D
OUT
PA
t
RB