AM29F400BB-70EF Spansion Inc., AM29F400BB-70EF Datasheet - Page 35

• Manufacturer Part Number: AM29F400BB-70EF
• Description: IC, FLASH, 4MBIT, 70NS, TSOP-48
• Manufacturer: Spansion Inc.

Specifications of AM29F400BB-70EF

• 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: TSOP
• No. Of Pins: 48
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AC CHARACTERISTICS
Temporary Sector Unprotect
Note: Not 100% tested.
November 11, 2009 21505E8
Note:
The system may use either CE# or OE# to toggle DQ2 and DQ6. DQ2 toggles only when read at an address within an
erase-suspended sector.
JEDEC
WE#
DQ6
DQ2
Parameter
RESET#
RY/BY#
Embedded
WE#
Erasing
CE#
t
Enter
t
Std
VIDR
RSP
12 V
0 or 5 V
Description
RESET# Setup Time for Temporary Sector
Unprotect
V
ID
Erase
Rise and Fall Time (See Note)
Figure 18. Temporary Sector Unprotect Timing Diagram
Suspend
Erase
t
VIDR
Erase Suspend
Read
t
RSP
D A T A
Figure 17. DQ2 vs. DQ6
Suspend Program
Enter Erase
Program or Erase Command Sequence
Am29F400B
S H E E T
Suspend
Program
Erase
Min
Min
Erase Suspend
Read
All Speed Options
Resume
Erase
t
500
VIDR
Erase
4
0 or 5 V
Complete
Erase
Unit
ns
µs
33