參數(shù)資料
型號: U6264BDC07G1
廠商: Electronic Theatre Controls, Inc.
英文描述: STANDARD 5K X 8 SRAM
中文描述: 標準5K × 8的SRAM
文件頁數(shù): 5/9頁
文件大?。?/td> 162K
代理商: U6264BDC07G1
5
April 20, 2004
U6264B
Switching Characteristics
Symbol
Min.
Max.
Unit
Alt.
IEC
Time to Output in Low-Z
t
LZ
t
t(QX)
5
10
ns
Cycle Time
Write Cycle Time
Read Cycle Time
t
WC
t
RC
t
cW
t
cR
70
70
ns
ns
Access Time
E1 LOW or E2 HIGH to Data Valid
G LOW to Data Valid
Address to Data Valid
t
ACE
t
OE
t
AA
t
a(E)
t
a(G)
t
a(A)
-
-
-
70
40
70
ns
ns
ns
Pulse Widths
Write Pulse Width
Chip Enable to End of Write
t
WP
t
CW
t
w(W)
t
w(E)
50
65
ns
ns
Setup Times
Address Setup Time
Chip Enable to End of Write
Write Pulse Width
Data Setup Time
t
AS
t
CW
t
WP
t
DS
t
su(A)
t
su(E)
t
su(W)
t
su(D)
0
65
50
35
ns
ns
ns
ns
Data Hold Time
Address Hold from End of Write
t
DH
t
AH
t
h(D)
t
h(A)
0
0
ns
ns
Output Hold Time from Address Change
t
OH
t
v(A)
5
ns
E1 HIGH or E2 LOW to Output in High-Z
W LOW to Output in High-Z
G HIGH to Output in High-Z
t
HZCE
t
HZWE
t
HZOE
t
dis(E)
t
dis(W)
t
dis(G)
0
0
0
25
30
25
ns
ns
ns
Data Retention Mode E1-Controlled
Data Retention
4.5 V
t
DR
t
rec
V
CC
E1
V
CC(DR)
2 V
V
E2(DR)
V
CC(DR)
- 0.2 V or V
E2(DR)
0.2 V
V
CC(DR)
- 0.2 V
V
E1(DR)
V
CC(DR)
+ 0.3 V
0 V
2.2 V
2.2 V
V
CC(DR)
2 V
Data Retention Mode E2-Controlled
Data Retention
V
E2(DR)
0.2 V
t
rec
t
DR
0.8 V
0.8 V
4.5 V
0 V
V
CC
E2
Chip Deselect to Data Retention Time
Operating Recovery Time
t
DR
:
t
rec
:
min 0 ns
min t
cR
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