AM29F400BB-70SD Spansion Inc., AM29F400BB-70SD Datasheet - Page 37

• Manufacturer Part Number: AM29F400BB-70SD
• Description: Flash Memory IC
• Manufacturer: Spansion Inc.

Specifications of AM29F400BB-70SD

• Memory Size: 4Mbit
• Memory Configuration: 512K X 8 / 256K X 16
• Ic Interface Type: Parallel
• Access Time: 70ns
• Memory Case Style: SOIC
• No. Of Pins: 44
• Operating Temperature Range: 0°C To +70°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AC CHARACTERISTICS
November 1, 2006 21505E5
Notes:
1. PA = Program Address, PD = Program Data, SA = Sector Address, DQ7# = Complement of Data Input, D
2. Figure indicates the last two bus cycles of the command sequence, with the device in word mode.
Addresses
RESET#
RY/BY#
WE#
Data
OE#
CE#
Figure 19. Alternate CE# Controlled Write Operation Timings
t
RH
555 for program
2AA for erase
t
t
t
WS
WH
WC
A0 for program
55 for erase
t
GHEL
t
t
t
DS
PA for program
SA for sector erase
555 for chip erase
CP
CPH
t
D A T A
AS
t
DH
t
Am29F400B
AH
PD for program
30 for sector erase
10 for chip erase
S H E E T
t
BUSY
t
WHWH1 or 2
Data# Polling
DQ7#
PA
D
OUT
OUT
= Array Data.
35