AM29F800BB-55EF Spansion Inc., AM29F800BB-55EF Datasheet - Page 22

• Manufacturer Part Number: AM29F800BB-55EF
• Description: IC, FLASH, 8MBIT, 55NS, TSOP-48
• Manufacturer: Spansion Inc.

Specifications of AM29F800BB-55EF

• Memory Type: Flash
• Memory Size: 8Mbit
• Memory Configuration: 1M X 8 / 512K X 16
• Access Time: 55ns
• 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

22
Note:
1.
DQ6 is rechecked even if DQ5 = “1” because DQ6 may stop toggling at the same time as DQ5 changing to “1”.
V
CC
+ 0.5 V
–0.5 V
+0.8 V
2.0 V
Figure 5.
Figure 6.
V
CC
–2.0 V
+ 2.0 V
Figure 4. Toggle Bit Algorithm
Maximum Negative Overshoot Waveform
Maximum Positive Overshoot Waveform
P R E L I M I N A R Y
Am29F800T/Am29F800B
No
20 ns
20 ns
Addr=Don’t Care
Addr=Don’t Care
DQ6=Toggle
DQ6=Toggle
(DQ0–DQ7)
(DQ0–DQ7)
Read Byte
Read Byte
DQ5=1
Start
Fail
?
?
?
20 ns
20 ns
Yes
Yes
Yes
No
No
20 ns
20 ns
Pass
20375C-10
20375C-9
20375C-11
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