參數(shù)資料
型號: AM29BDS640GTD4WSI
廠商: SPANSION LLC
元件分類: DRAM
英文描述: 64 Megabit (4 M x 16-Bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst Mode Flash Memory
中文描述: 4M X 16 FLASH 1.8V PROM, 14 ns, PBGA80
封裝: 11 X 12 MM, 0.80 MM PITCH, FBGA-80
文件頁數(shù): 48/65頁
文件大?。?/td> 899K
代理商: AM29BDS640GTD4WSI
October 31, 2002
Am29BDS640G
51
AD V A NCE
INF O R M A T IO N
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 CS# or AVD# is required to go from low to high in
between programming command sequences.
6. The Synchronous programming operation is independent
of the Set Device Read Mode bit in the Burst Mode
Configuration Register.
7. CLK must not have an active edge while WE# is at VIL.
8. AVD# must toggle during command sequence unlock cy-
cles.
Figure 23.
Synchronous Program Operation Timings
OE#
CE#
Data
Addresses
AVD#
WE#
CLK
VCC
555h
PD
tAS
tWP
tAH
tWC
tWPH
PA
tVCS
tDH
tCH
In
Progress
tWHWH1
VA
Complete
VA
Program Command Sequence (last two cycles)
Read Status Data
tDS
tAVDP
A0h
tAVSW
tACS
tCAS
tCSW2
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