UT62L25716BS-70L 查看數據表（PDF） - Utron Technology Inc
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UT62L25716BS-70L Datasheet PDF : 10 Pages
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Rev. 1.0
UTRON
CAPACITANCE (TA=25℃, f=1.0MHz)
UT62L25716
256K X 16 BIT LOW POWER CMOS SRAM
PARAMETER
SYMBOL
MIN.
Input Capacitance
CIN
-
Input/Output Capacitance
CI/O
-
Note : These parameters are guaranteed by device characterization, but not production tested.
AC TEST CONDITIONS
MAX
6
8
UNIT
pF
pF
Input Pulse Levels
Input Rise and Fall Times
Input and Output Timing Reference Levels
Output Load
0V to 3.0V
5ns
1.5V
CL = 30pF, IOH/IOL = -1mA/2mA
AC ELECTRICAL CHARACTERISTICS (VCC = 2.7V~3.6V , TA = 0℃ to 70℃ / -20℃ to 80℃(E))
(1) READ CYCLE
PARAMETER
SYMBOL UT62L25716-55*
MIN. MAX.
Read Cycle Time
tRC
Address Access Time
tAA
Chip Enable Access Time
tACE
Output Enable Access Time
tOE
Chip Enable to Output in Low Z tCLZ*
Output Enable to Output in Low Z tOLZ*
Chip Disable to Output in High Z tCHZ*
Output Disable to Output in High Z tOHZ*
Output Hold from Address Change tOH
LB , UB Access Time
tBA
55
-
-
55
-
55
-
30
10
-
5
-
-
20
-
20
5
-
-
55
LB , UB to High-Z Output
tHZB
-
25
LB , UB to Low-Z Output
tLZB
0
-
UT62L25716-70
MIN. MAX.
70
-
-
70
-
70
-
35
10
-
5
-
-
25
-
25
5
-
-
70
-
30
0
-
UT62L25716-100
MIN. MAX.
100
-
-
100
-
100
-
50
10
-
5
-
-
30
-
30
5
-
-
100
0
40
0
-
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
(2) WRITE CYCLE
PARAMETER
Write Cycle Time
Address Valid to End of Write
Chip Enable to End of Write
Address Set-up Time
Write Pulse Width
Write Recovery Time
Data to Write Time Overlap
Data Hold from End of Write Time
Output Active from End of Write
Write to Output in High Z
LB , UB Valid to End of Write
SYMBOL UT62L25716-55*
MIN. MAX.
tWC
tAW
tCW
tAS
tWP
tWR
tDW
tDH
tOW*
tWHZ*
tPWB
55
-
50
-
50
-
0
-
45
-
0
-
25
-
0
-
5
-
-
30
45
-
UT62L25716-70
MIN. MAX.
70
-
60
-
60
-
0
-
55
-
0
-
30
-
0
-
5
-
-
30
60
-
UT62L25716-100 UNIT
MIN. MAX.
100
-
ns
80
-
ns
80
-
ns
0
-
ns
70
-
ns
0
-
ns
40
-
ns
0
-
ns
5
-
ns
-
40 ns
80
-
ns
* These parameters are guaranteed by device characterization, but not production tested.
* 55ns for 3.0V~3.6V.
UTRON TECHNOLOGY INC.
1F, No. 11, R&D Rd. II, Science-Based Industrial Park, Hsinchu, Taiwan, R. O. C.
TEL: 886-3-5777882 FAX: 886-3-5777919
3
P80047
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