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參數(shù)資料
| 型號： | UPD448012GY-B70X-MJH |
| 廠商： | NEC Corp. |
| 英文描述： | 8M-BIT CMOS STATIC RAM 512K-WORD BY 16-BIT EXTENDED TEMPERATURE OPERATION |
| 中文描述： | 800萬位CMOS靜態(tài)RAM為512k字由16位溫度范圍 |
| 文件頁數(shù)： | 11/24頁 |
| 文件大?。?/td> | 147K |
| 代理商： | UPD448012GY-B70X-MJH |
Data Sheet M14466EJ5V0DS
11
μ
PD448012-X
Write Cycle (1/2) (B version)
Parameter
Symbol
V
CC
≥
2.7 V
Unit
Condition
μ
PD448012
μ
PD448012
μ
PD448012
μ
PD448012
-B55X
-B70X
-B85X
-B10X
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
Write cycle time
t
WC
55
70
85
100
ns
/CE1 to end of write
t
CW1
50
55
70
80
ns
CE2 to end of write
t
CW2
50
55
70
80
ns
/LB, /UB to end of write
t
BW
50
55
70
80
ns
Address valid to end of write
t
AW
50
55
70
80
ns
Address setup time
t
AS
0
0
0
0
ns
Write pulse width
t
WP
45
50
55
60
ns
Write recovery time
t
WR
0
0
0
0
ns
Data valid to end of write
t
DW
25
30
35
40
ns
Data hold time
t
DH
0
0
0
0
ns
/WE to output in high impedance
t
WHZ
20
25
30
35
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 (2/2) (C version)
Parameter
Symbol
V
CC
≥
2.2V
Unit
Condition
μ
PD448012
μ
PD448012
μ
PD448012
μ
PD448012
-C70X
-C85X
-C10X
-C12X
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
Write cycle time
t
WC
70
85
100
120
ns
/CE1 to end of write
t
CW1
55
70
80
100
ns
CE2 to end of write
t
CW2
55
70
80
100
ns
/LB, /UB to end of write
t
BW
55
70
80
100
ns
Address valid to end of write
t
AW
55
70
80
100
ns
Address setup time
t
AS
0
0
0
0
ns
Write pulse width
t
WP
50
55
60
85
ns
Write recovery time
t
WR
0
0
0
0
ns
Data valid to end of write
t
DW
30
35
40
60
ns
Data hold time
t
DH
0
0
0
0
ns
/WE to output in high impedance
t
WHZ
25
30
35
40
ns
Note
Output active from end of write
t
OW
5
5
5
5
ns
Note
The output load is 1TTL + 5 pF.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| UPD448012GY-B85X-MJH | 8M-BIT CMOS STATIC RAM 512K-WORD BY 16-BIT EXTENDED TEMPERATURE OPERATION |
| UPD448012GY-B10X-MJH | Hook-Up Wire; Conductor Size AWG:20; No. Strands x Strand Size:7 x 28; Jacket Color:Green; Approval Bodies:UL; Approval Categories:UL AWM Style 1180; Passes VW-1 Flame Test; Cable/Wire MIL SPEC:MIL-W-16878/5 Type EE RoHS Compliant: Yes |
| UPD448012GY-C10X-MJH | Hook-Up Wire; Conductor Size AWG:20; No. Strands x Strand Size:7 x 28; Jacket Color:Light Blue; Approval Bodies:UL; Approval Categories:UL AWM Style 1180; Passes VW-1 Flame Test; Cable/Wire MIL SPEC:MIL-W-16878/5 Type EE RoHS Compliant: Yes |
| UPD448012GY-C12X-MJH | 8M-BIT CMOS STATIC RAM 512K-WORD BY 16-BIT EXTENDED TEMPERATURE OPERATION |
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| UPD4516161AG5A109NF | 制造商:NEC Electronics Corporation 功能描述: |
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