am42bds6408h Meet Spansion Inc., am42bds6408h Datasheet - Page 70

• Manufacturer Part Number: am42bds6408h
• Description: Cmos 1.8 Volt-only Simultaneous Read/write, Burst Mode Flash Memory, And 8 Mbit 512 K X 16-bit Sram
• Manufacturer: Meet Spansion Inc.

AC CHARACTERISTICS
Notes:
1. PA = Program Address, PD = Program Data, VA = Valid Address for reading status bits.
2. “In progress” and “complete” refer to status of program operation.
3. A21–A12 are don’t care during command sequence unlock cycles.
4. Addresses are latched on the first of either the rising edge of AVD# or the active edge of CLK.
5. Either CE# or AVD# is required to go from low to high in between programming command sequences.
6. The Synchronous programming operation is dependent of the Set Device Read Mode bit in the Configuration Register. The
68
Configuration Register must be set to the Synchronous Read Mode.
Addresses
AVD#
CLK
WE#
Data
OE#
CE#
V
CC
t
ACS
Figure 33. Synchronous Program Operation Timings: WE# Latched Addresses
555h
t
VCS
t
CAS
t
CSW
t
WP
t
AVCH
Program Command Sequence (last two cycles)
A D V A N C E
t
AVDP
t
A0h
ACH
t
WC
t
WPH
PA
Am42BDS6408H
I N F O R M A T I O N
t
t
DH
DS
PD
t
CH
VA
t
WHWH1
Progress
Read Status Data
In
VA
October 23, 2003
Complete