參數(shù)資料
型號： UPD442012AGY-BC85X-MJH
廠商： NEC Corp.
元件分類： 圓形連接器
英文描述： Circular Connector; No. of Contacts:8; Series:MS27468; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:13; Circular Contact Gender:Pin; Circular Shell Style:Jam Nut Receptacle; Insert Arrangement:13-8 RoHS Compliant: No
中文描述： 200萬位CMOS靜態(tài)RAM 128K的字由16位溫度范圍
文件頁數(shù)： 11/24頁
文件大小： 148K
代理商： UPD442012AGY-BC85X-MJH
Data Sheet M14671EJ7V0DS
11
μ
PD442012A-X
Read Cycle (3/3) (DD version)
Parameter
Symbol
μ
PD442012A
μ
PD442012A
μ
PD442012A
Unit
Condition
-DD85X
-DD10X
-DD12X
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
Read cycle time
t
RC
85
100
120
ns
Address access time
t
AA
85
100
120
ns
Note 1
/CE1 access time
t
CO1
85
100
120
ns
CE2 access time
t
CO2
85
100
120
ns
/OE to output valid
t
OE
40
50
60
ns
/LB, /UB to output valid
t
BA
85
100
120
ns
Output hold from address change
t
OH
10
10
10
ns
/CE1 to output in low impedance
t
LZ1
10
10
10
ns
Note 2
CE2 to output in low impedance
t
LZ2
10
10
10
ns
/OE to output in low impedance
t
OLZ
5
5
5
ns
/LB, /UB to output in low impedance
t
BLZ
10
10
10
ns
/CE1 to output in high impedance
t
HZ1
30
35
40
ns
CE2 to output in high impedance
t
HZ2
30
35
40
ns
/OE to output in high impedance
t
OHZ
30
35
40
ns
/LB, /UB to output in high impedance
t
BHZ
30
35
40
ns
Notes 1.
The output load is 1TTL + 30 pF.
2.
The output load is 1TTL + 5 pF.
Read Cycle Timing Chart
t
HZ2
t
RC
t
OH
t
HZ1
t
BLZ
t
BA
t
LZ2
t
CO2
t
LZ1
t
CO1
t
BHZ
t
AA
High impedance
Data out
/LB, /UB (Input)
CE2 (Input)
/CE1 (Input)
Address (Input)
I/O (Output)
t
OLZ
t
OE
t
OHZ
/OE (Input)
Remark
In read cycle, /WE should be fixed to high level.
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