IS41C16256 查看數據表（PDF） - Integrated Circuit Solution Inc
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IS41C16256 Datasheet PDF : 20 Pages
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IS41C16256
IS41LV16256
AC CHARACTERISTICS(1,2,3,4,5,6)
(Recommended Operating Conditions unless otherwise noted.)
Symbol
tRC
tRAC
tCAC
tAA
tRAS
tRP
tCAS
tCP
tCSH
tRCD
tASR
tRAH
tASC
tCAH
tAR
tRAD
tRAL
tRPC
tRSH
tCLZ
tCRP
tOD
tOE
tOEHC
tOEP
tOES
tRCS
tRRH
tRCH
tWCH
tWCR
tWP
tWPZ
tRWL
tCWL
tWCS
tDHR
Parameter
-25
-35
Min. Max. Min. Max.
Random READ or WRITE Cycle Time
Access Time from RAS(6, 7)
Access Time from CAS(6, 8, 15)
45 —
— 25
— 10
Access Time from Column-Address(6)
RAS Pulse Width
RAS Precharge Time
CAS Pulse Width(26)
CAS Precharge Time(9, 25)
CAS Hold Time (21)
RAS to CAS Delay Time(10, 20)
— 12
25 10K
15 —
4 10K
4—
25 —
10 17
Row-Address Setup Time
0—
Row-Address Hold Time
6—
Column-Address Setup Time(20)
0—
Column-Address Hold Time(20)
5—
Column-Address Hold Time
(referenced to RAS)
19 —
RAS to Column-Address Delay Time(11) 8 20
Column-Address to RAS Lead Time
12 —
RAS to CAS Precharge Time
0—
RAS Hold Time(27)
7—
CAS to Output in Low-Z(15, 29)
3—
CAS to RAS Precharge Time(21)
5—
Output Disable Time(19, 28, 29)
2 12
Output Enable Time(15, 16)
OE HIGH Hold Time from CAS HIGH
OE HIGH Pulse Width
OE LOW to CAS HIGH Setup Time
08
10 —
10 —
5—
Read Command Setup Time(17, 20)
0—
Read Command Hold Time
(referenced to RAS)(12)
0—
Read Command Hold Time
(referenced to CAS)(12, 17, 21)
0—
Write Command Hold Time(17, 27)
5—
Write Command Hold Time
(referenced to RAS)(17)
19 —
Write Command Pulse Width(17)
5—
WE Pulse Widths to Disable Outputs
10 —
Write Command to RAS Lead Time(17)
7—
Write Command to CAS Lead Time(17, 21) 5 —
Write Command Setup Time(14, 17, 20)
0—
Data-in Hold Time (referenced to RAS) 19 —
60 —
— 35
— 10
— 18
35 10K
20 —
6 10K
5—
35 —
11 28
0—
6—
0—
6—
30 —
10 20
18 —
0—
8—
3—
5—
3 12
0 10
10 —
10 —
5—
0—
0—
0—
5—
30 —
5—
10 —
8—
8—
0—
30 —
-50
-60
Min. Max. Min. Max. Units
90 — 110 — ns
— 50 — 60 ns
— 14 — 15 ns
— 25 — 30 ns
50 10K 60 10K ns
30 — 40 — ns
8 10K 10 10K ns
8 — 10 — ns
50 — 60 — ns
19 36 20 45 ns
0 — 0 — ns
8 — 10 — ns
0 — 0 — ns
8 — 10 — ns
40 — 40 — ns
14 25 15 30 ns
25 — 30 — ns
0 — 0 — ns
14 — 15 — ns
3 — 3 — ns
5 — 5 — ns
3 12 3 12 ns
0 15 — 15 ns
10 — 10 — ns
10 — 10 — ns
5 — 5 — ns
0 — 0 — ns
0 — 0 — ns
0 — 0 — ns
8 — 10 — ns
40 — 50 — ns
8 — 10 — ns
10 — 10 — ns
14 — 15 — ns
14 — 15 — ns
0 — 0 — ns
40 — 40 — ns
Integrated Circuit Solution Inc.
7
DR001-0E 01/25/2002
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