IDT71V256SA10PZGI8 데이터 시트보기 (PDF) - Integrated Device Technology
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IDT71V256SA10PZGI8 Datasheet PDF : 8 Pages
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IDT71V256SA
3.3V CMOS Static RAM 256K (32K x 8-Bit)
AC Test Conditions
Input Pulse Levels
Input Rise/Fall Times
Input Timing Reference Levels
Output Reference Levels
AC Test Load
GND to 3.0V
3ns
1.5V
1.5V
See Figures 1 and 2
3101 tbl 09
3.3V
Commercial and Industrial Temperature Ranges
3.3V
DATA OUT
320Ω
DATA OUT
320Ω
350Ω
, 30pF*
350Ω
5pF*
,
3101 drw 04
Figure 1. AC Test Load
*Includes scope and jig capacitances
3101 drw 05
Figure 2. AC Test Load
(for tCLZ, tOLZ, tCHZ, tOHZ, tOW, tWHZ)
AC Electrical Characteristics
(VCC = 3.3V ± 0.3V, Commercial and Industrial Temperature Ranges)
71V256SA10 71V256SA12 71V256SA15
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 Select 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
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 to Write Time Overlap
tDH
Data Hold from Write Time
tOW(1)
Output Active from End-of-Write
tWHZ(1)
Write Enable to Output in High-Z
Min. Max. Min. Max. Min. Max.
10
____
12
____
15
____
____
10
____
12
____
15
____
10
____
12
____
15
5
____
5
____
5
____
0
8
0
8
0
9
____
6
____
6
____
7
3
____
3
____
0
____
2
6
2
6
0
7
3
____
3
____
3
____
10
____
12
____
15
____
9
____
9
____
10
____
9
____
9
____
10
____
0
____
0
____
0
____
9
____
9
____
10
____
0
____
0
____
0
____
6
____
6
____
7
____
0
____
0
____
0
____
4
____
4
____
4
____
1
8
1
8
1
9
NOTE:
1. This parameter guaranteed with the AC test load (Figure 2) by device characterization, but is not production tested.
4
71V256SA20
Min. Max. Unit
20
____
ns
____
20 ns
____
20 ns
5
____
ns
0
10 ns
____
8
ns
0
____
ns
0
8
ns
3
____
ns
20
____
ns
15
____
ns
15
____
ns
0
____
ns
15
____
ns
0
____
ns
8
____
ns
0
____
ns
4
____
ns
1
10 ns
3101 tbl 10
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