am49bds640ah Meet Spansion Inc., am49bds640ah Datasheet - Page 63
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am49bds640ah
Manufacturer Part Number
am49bds640ah
Description
Stacked Multichip Package Mcp , Flash Memory And Psram Cmos 1.8 Volt-only Simultaneous Read/write, Burst Mode 64 Megabit 4m ? 16-bit Flash Memory, And 16 Mbit 1m ? 16-bit Psram
Manufacturer
Meet Spansion Inc.
Datasheet
1.AM49BDS640AH.pdf
(84 pages)
- Current page: 63 of 84
- Download datasheet (2Mb)
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. CLK can be either V
5. The Asynchronous programming operation is independent of the Set Device Read Mode bit in the Configuration Register.
December 5, 2003
Addresses
AVD#
CE#f
WE#
Data
V
OE#
CLK
CC
f
V
V
t
IH
Figure 31. Asynchronous Program Operation Timings: AVD# Latched Addresses
IL
AS
t
VCS
555h
IL
t
or V
CS
t
AVDP
Program Command Sequence (last two cycles)
IH
.
t
t
AH
WP
A0h
A D V A N C E
t
WC
t
WPH
PA
Am49BDS640AH
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
Complete
61
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