am42bds640ag Meet Spansion Inc., am42bds640ag Datasheet - Page 59

• Manufacturer Part Number: am42bds640ag
• Description: 64 Megabit 4 M ? 16-bit Cmos 1.8 Volt-only, Simultaneous Operation, Burst Mode Flash Memory And 16 Mbit 1 M ? 16-bit Static Ram Preliminary
• Manufacturer: Meet Spansion Inc.

AC CHARACTERISTICS
Notes:
1. The timings are similar to synchronous read timings.
2. VA = Valid Address. Two read cycles are required to
58
CE#f
CLK
AVD#
Addresses
OE#
Data
RDY
determine status. When the Embedded Algorithm
operation is complete, the toggle bits will stop toggling.
V A
Figure 29. Synchronous Data Polling Timings/Toggle Bit Timings
t
IACC
P R E L I M I N A R Y
Status Data
Am42BDS640AG
3. RDY is active with data (A18 = 0 in the Burst Mode
4. AVD# must toggle between data reads.
Configuration Register). When A18 = 1 in the Burst Mode
Configuration Register, RDY is active one clock cycle before
data.
V A
t
IACC
November 1, 2002
Status Data