MSC23V26407TD-XXBS8 Datasheet, PDF (8/10 Pages) OKI electronic componets – 2,097,152-Word x 64-Bit DYNAMIC RAM MODULE : FAST PAGE MODE TYPE

Semiconductor
AC Characteristics (1/2)
Parameter
Random Read or Write Cycle Time
Read Modify Write Cycle Time
Fast Page Mode Cycle Time
Fast Page Mode Read Modify Write Cycle Time
Access Time from /RAS
Access Time from /CAS
Access Time from Column Address
Access Time from /CAS Precharge
Access Time from /OE
Output Low Impedance Time from /CAS
/CAS to Data Output Buffer Turn-off Delay Time
/OE to Data Output Buffer Turn-off Delay Time
Transition Time
Refresh Period
/RAS Precharge Time
/RAS Pulse Width
/RAS Pulse Width (Fast Page Mode)
/RAS Hold Time
/RAS Hold Time referenced to /OE
/CAS Precharge Time (Fast Page Mode)
/CAS Pulse Width
/CAS Hold Time
/CAS to /RAS Precharge Time
/RAS Hold Time from /CAS Precharge
/RAS to /CAS Delay Time
/RAS to Column Address Delay Time
Row Address Set-up Time
Row Address Hold Time
Column Address Set-up Time
Column Address Hold Time
Column Address to /RAS Lead Time
Read Command Set-up Time
Read Command Hold Time
Read Command Hold Time referenced to /RAS
MSC23V26407TD
Symbol
tRC
tRWC
tPC
tPRWC
tRAC
tCAC
tAA
tCPA
tOEA
tCLZ
tOFF
tOEZ
tT
tREF
tRP
tRAS
tRASP
tRSH
tROH
tCP
tCAS
tCSH
tCRP
tRHCP
tRCD
tRAD
tASR
tRAH
tASC
tCAH
tRAL
tRCS
tRCH
tRRH
(VCC = 3.3V ±0.3V, Ta = 0°C to 70°C ) Note: 1, 2, 3, 11, 12
-50
-60
-70
Unit Note
Min. Max. Min. Max. Min. Max.
90 - 110 - 130 -
ns
131 - 155 - 185 -
ns
35 - 40 - 45 -
ns
76 - 85 - 100 -
ns
- 50 - 60 - 70 ns 4, 5, 6
- 13 - 15 - 20 ns 4, 5
- 25 - 30 - 35 ns 4, 6
- 30 - 35 - 40 ns 4
- 13 - 15 - 20 ns 4
0
-
0
-
0
-
ns 4
0 13 0 15 0 20 ns 7
0 13 0 15 0 20 ns 7
3 50 3 50 3 50 ns 3
- 32 - 32 - 32 ms
30 - 40 - 50 -
ns
50 10K 60 10K 70 10K ns
50 100K 60 100K 70 100K ns
13 - 15 - 20 -
ns
13 - 15 - 20 -
ns
7
- 10 - 10 -
ns
13 10K 15 10K 20 10K ns
50 - 60 - 70 -
ns
5
-
5
-
5
-
ns
30 - 35 - 40 -
ns
17 37 20 45 20 50 ns 5
12 25 15 30 15 35 ns 6
0
-
0
-
0
-
ns
7
- 10 - 10 -
ns
0
-
0
-
0
-
ns
7
- 10 - 15 -
ns
25 - 30 - 35 -
ns
0
-
0
-
0
-
ns
0
-
0
-
0
-
ns 8
0
-
0
-
0
-
ns 8