IDT71V428L 查看數據表（PDF） - Integrated Device Technology
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IDT71V428L Datasheet PDF : 9 Pages
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IDT71V428S, IDT71V428L, 3.3V CMOS Static RAM
4 Meg (1M x 4-Bit)
Commercial and Industrial Temperature Ranges
AC Electrical Characteristics (VDD = 3.3V ± 10%, Commercial and Industrial Temperature Ranges)
Symbol
Parameter
READ CYCLE
tRC
Read Cycle Time
tAA
Address Access Time
tACS
Chip Select Access Time
tCLZ (1 )
Chip Select to Output in Low-Z
tCHZ(1)
Chip Deselect to Output in High-Z
tOE
Output Enable to Output Valid
tOLZ(1)
Output Enable to Output in Low-Z
tOHZ(1)
Output Disable to Output in High-Z
tOH
Output Hold from Address Change
tPU(1)
Chip Select to Power Up Time
tPD(1)
Chip Deselect to Power Down Time
WRITE CYCLE
tWC
Write Cycle Time
tAW
Address Valid to End of Write
tCW
Chip Select to End of Write
tAS
Address Set-up Time
tWP
Write Pulse Width
tWR
Write Recovery Time
tDW
Data Valid to End of Write
tDH
Data Hold Time
tOW(1)
Output Active from End of Write
tWHZ(1)
Write Enable to Output in High-Z
71V428S/L10(2)
Min. Max.
10
____
____
10
____
10
4
____
____
5
____
5
0
____
____
5
4
____
0
____
____
10
10
____
8
____
8
____
0
____
8
____
0
____
6
____
0
____
3
____
____
6
NOTES:
1. This parameter guaranteed with the AC load (Figure 2) by device characterization, but is not production tested.
2. 0°C to +70°C temperature range only for low power 10ns (L10) speed grade.
71V428S/L12
Min. Max.
12
____
____
12
____
12
4
____
____
6
____
6
0
____
____
6
4
____
0
____
____
12
12
____
8
____
8
____
0
____
8
____
0
____
6
____
0
____
3
____
____
7
71V428S/L15
Min. Max. Unit
15
____
ns
____
15
ns
____
15
ns
4
____
ns
____
7
ns
____
7
ns
0
____
ns
____
7
ns
4
____
ns
0
____
ns
____
15
ns
15
____
ns
10
____
ns
10
____
ns
0
____
ns
10
____
ns
0
____
ns
7
____
ns
0
____
ns
3
____
ns
____
7
ns
3623 tbl 10
6.542
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