參數(shù)資料
型號(hào): AM29PL131DC
英文描述: User Programmable Special Function ASIC
中文描述: 用戶可編程ASIC的特殊功能
文件頁數(shù): 57/67頁
文件大?。?/td> 635K
代理商: AM29PL131DC
August 8, 2003
Am29PDL129H
55
P R E L I M I N A R Y
AC CHARACTERISTICS
OE#
CE1# or CE2#
WE#
Addresses
t
OH
Data
Valid
In
Valid
In
Valid PA
Valid RA
t
WC
t
WPH
t
AH
t
WP
t
DS
t
DH
t
AS
t
RC
t
CE
t
AH
Valid
Out
t
OE
t
ACC
t
OEH
t
GHWL
t
DF
Valid
In
CE# Controlled Write Cycles
WE# Controlled Write Cycle
Valid PA
Valid PA
t
CP
t
CPH
t
WC
t
WC
Read Cycle
t
SR/W
t
AS
Note:
1. During CE1# transitions, CE2#= V
IH
; During CE2# transitions, CE1#= V
IH
Figure 18.
Back-to-back Read/Write Cycle Timings
WE#
CE1# or CE2#
OE#
High Z
t
OE
High Z
DQ7
DQ6–DQ0
RY/BY#
t
BUSY
Complement
True
Addresses
VA
t
OEH
t
CE
t
CH
t
OH
t
DF
VA
VA
Status Data
Complement
Status Data
True
Valid Data
Valid Data
t
ACC
t
RC
Note:
1. VA = Valid address. Illustration shows first status cycle after command sequence, last status read cycle, and array data read
cycle. During CE1# transitions, CE2#= V
IH
;
2. During CE2# transitions, CE1#= V
IH
Figure 19.
Data# Polling Timings (During Embedded Algorithms)
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