參數資料
型號： UPD442012AGY-BB85X-MJH
廠商： NEC Corp.
元件分類： 圓形連接器
英文描述： Circular Connector; No. of Contacts:22; Series:MS27468; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:13; Circular Contact Gender:Socket; Circular Shell Style:Jam Nut Receptacle; Insert Arrangement:13-35 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： 12/24頁
文件大?。?/td> 148K
代理商： UPD442012AGY-BB85X-MJH
Data Sheet M14671EJ7V0DS
12
μ
PD442012A-X
Write Cycle (1/3) (BB version)
Parameter
Symbol
μ
PD442012A-BB55X
μ
PD442012A
μ
PD442012A
Unit
Condition
V
CC
≥
3.0 V
-BB70X
-BB85X
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
Write cycle time
t
WC
50
55
70
85
ns
/CE1 to end of write
t
CW1
45
50
55
70
ns
CE2 to end of write
t
CW2
45
50
55
70
ns
/LB, /UB to end of write
t
BW
45
50
55
70
ns
Address valid to end of write
t
AW
45
50
55
70
ns
Address setup time
t
AS
0
0
0
0
ns
Write pulse width
t
WP
40
45
50
55
ns
Write recovery time
t
WR
0
0
0
0
ns
Data valid to end of write
t
DW
25
25
30
35
ns
Data hold time
t
DH
0
0
0
0
ns
/WE to output in high impedance
t
WHZ
20
20
25
30
ns
Note
Output active from end of write
t
OW
5
5
5
5
ns
Note
The output load is 1TTL + 5 pF.
Write Cycle (2/3) (BC version)
Parameter
Symbol
μ
PD442012A
μ
PD442012A
μ
PD442012A
Unit
Condition
-BC70X
-BC85X
-BC10X
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
Write cycle time
t
WC
70
85
100
ns
/CE1 to end of write
t
CW1
55
70
80
ns
CE2 to end of write
t
CW2
55
70
80
ns
/LB, /UB to end of write
t
BW
55
70
80
ns
Address valid to end of write
t
AW
55
70
80
ns
Address setup time
t
AS
0
0
0
ns
Write pulse width
t
WP
50
55
60
ns
Write recovery time
t
WR
0
0
0
ns
Data valid to end of write
t
DW
30
35
40
ns
Data hold time
t
DH
0
0
0
ns
/WE to output in high impedance
t
WHZ
25
30
35
ns
Note
Output active from end of write
t
OW
5
5
5
ns
Note
The output load is 1TTL + 5 pF.
#
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