參數資料
型號： UPD442000AGU-BC70X-9JH
廠商： NEC Corp.
元件分類： 圓形連接器
英文描述： Circular Connector; No. of Contacts:13; Series:MS27468; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:11; Circular Contact Gender:Pin; Circular Shell Style:Jam Nut Receptacle; Insert Arrangement:11-35 RoHS Compliant: No
中文描述： 200萬位CMOS靜態(tài)RAM 256K字× 8位擴展工作溫度
文件頁數： 10/28頁
文件大小： 157K
代理商： UPD442000AGU-BC70X-9JH
Data Sheet M14669EJ7V0DS
10
μ
PD442000A-X
Read Cycle (1/3)
Parameter
Symbol
V
CC
≥
2.7 V
Unit
Condition
-BB55X
-BB70X
-BB85X
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
Read cycle time
t
RC
55
70
85
ns
Address access time
t
AA
55
70
85
ns
Note 1
/CE1 access time
t
CO1
55
70
85
ns
CE2 access time
t
CO2
55
70
85
ns
/OE to output valid
t
OE
30
35
40
ns
Output hold from address change
t
OH
10
10
10
ns
/CE1 to output in Low-Z
t
LZ1
10
10
10
ns
Note 2
CE2 to output in Low-Z
t
LZ2
10
10
10
ns
/OE to output in Low-Z
t
OLZ
5
5
5
ns
/CE1 to output in High-Z
t
HZ1
20
25
30
ns
CE2 to output in High-Z
t
HZ2
20
25
30
ns
/OE to output in High-Z
t
OHZ
20
25
30
ns
Notes 1.
The output load is 1TTL + 50 pF.
2.
The output load is 1TTL + 5 pF.
Read Cycle (2/3)
Parameter
Symbol
V
CC
≥
2.2 V
Unit
Condition
-BC70X
-BC85X
-BC10X
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
Read cycle time
t
RC
70
85
100
ns
Address access time
t
AA
70
85
100
ns
Note 1
/CE1 access time
t
CO1
70
85
100
ns
CE2 access time
t
CO2
70
85
100
ns
/OE to output valid
t
OE
35
40
50
ns
Output hold from address change
t
OH
10
10
10
ns
/CE1 to output in Low-Z
t
LZ1
10
10
10
ns
Note 2
CE2 to output in Low-Z
t
LZ2
10
10
10
ns
/OE to output in Low-Z
t
OLZ
5
5
5
ns
/CE1 to output in High-Z
t
HZ1
25
30
35
ns
CE2 to output in High-Z
t
HZ2
25
30
35
ns
/OE to output in High-Z
t
OHZ
25
30
35
ns
Notes 1.
The output load is 1TTL + 30 pF.
2.
The output load is 1TTL + 5 pF.
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