MSC23V46457TD-XXBS16 Datasheet, PDF (8/10 Pages) OKI electronic componets – 4,194,304-Word x 64-Bit DYNAMIC RAM MODULE : FAST PAGE MODE TYPE WITH EDO

Semiconductor
MSC23V46457TD
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
Data Output Hold After /CAS Low
/CAS to Data Output Buffer Turn-off Delay Time
/RAS to Data Output Buffer Turn-off Delay Time
/OE to Data Output Buffer Turn-off Delay Time
/WE to Data Output Buffer Turn-off Delay Time
Transition Time
Refresh Period
/RAS Precharge Time
/RAS Pulse Width
/RAS Pulse Width (Fast Page Mode with EDO)
/RAS Hold Time
/RAS Hold Time referenced to /OE
/CAS Precharge Time (Fast Page Mode with EDO)
/CAS Pulse Width
/CAS Hold Time
/CAS to /RAS Precharge Time
/RAS Hold Time from /CAS Precharge
/OE Hold Time from /CAS (DQ Disable)
/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
Symbol
tRC
tRWC
tHPC
tHPRWC
tRAC
tCAC
tAA
tCPA
tOEA
tCLZ
tDOH
tCEZ
tREZ
tOEZ
tWEZ
tT
tREF
tRP
tRAS
tRASP
tRSH
tROH
tCP
tCAS
tCSH
tCRP
tRHCP
tCHO
tRCD
tRAD
tASR
tRAH
tASC
tCAH
tRAL
(VCC = 3.3V ±0.3V, Ta = 0°C to 70°C ) Note: 1, 2, 3, 12, 13
-50
-60
-70
Unit Note
Min. Max. Min. Max. Min. Max.
84 - 104 - 124 -
ns
110 - 135 - 160 -
ns
20 - 25 - 30 -
ns
58 - 68 - 78 -
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
5
-
5
-
5
-
ns
0 13 0 15 0 20 ns 7, 8
0 13 0 15 0 20 ns 7, 8
0 13 0 15 0 20 ns 7
0 13 0 15 0 20 ns 7
1 50 1 50 1 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
7
- 10 - 13 -
ns
7
- 10 - 13 -
ns
7
- 10 - 10 -
ns
7 10K 10 10K 13 10K ns
35 - 40 - 45 -
ns
5
-
5
-
5
-
ns
30 - 35 - 40 -
ns
5
-
5
-
5
-
ns
11 37 14 45 14 50 ns 5
9 25 12 30 12 35 ns 6
0
-
0
-
0
-
ns
7
- 10 - 10 -
ns
0
-
0
-
0
-
ns
7
- 10 - 13 -
ns
25 - 30 - 35 -
ns