MSC23Q83657D-XXBS18 Datasheet, PDF (7/9 Pages) OKI electronic componets – 8,388,608-word x 36-bit DYNAMIC RAM MODULE : FAST PAGE MODE TYPE WITH EDO

Semiconductor
AC Characteristics (1/2)
Parameter
Random Read or Write Cycle Time
Fast Page Mode Cycle Time
Access Time from /RAS
Access Time from /CAS
Access Time from Column Address
Access Time from /CAS Precharge
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
/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)
/RAS Hold Time
/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
MSC23Q83657D
Symbol
tRC
tHPC
tRAC
tCAC
tAA
tCPA
tCLZ
tDOH
tCEZ
tREZ
tWEZ
tT
tREF
tRP
tRAS
tRASP
tRSH
tCP
tCAS
tCSH
tCRP
tRHCP
tRCD
tRAD
tASR
tRAH
tASC
tCAH
tRAL
tRCS
tRCH
tRRH
(VCC = 5V ±10%, Ta = 0°C to 70°C) Note: 1, 2, 3, 10, 11
-60
Min. Max.
-70
Min. Max.
Unit Note
104

124

ns
25

30

ns

60

70
ns 4, 5, 6

15

20
ns 4, 5

30

35
ns 4, 6

35

40
ns 4
0

0

ns 4
5

5

ns
0
15
0
20
ns 7, 8
0
15
0
20
ns 7, 8
0
15
0
20
ns 7
1
50
1
50
ns 3

32

32
ms
40

50

ns
60
10K
70
10K
ns
60 100K 70 100K ns
10

13

ns
10

10

ns
10
10K
13
10K
ns
40

45

ns
5

5

ns
35

40

ns
14
45
14
50
ns 5
12
30
12
35
ns 6
0

0

ns
10

13

ns
0

0

ns
10

13

ns
30

35

ns
0

0

ns
0

0

ns 9
0

0

ns 9
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