GLT44032-E-35 Ver la hoja de datos (PDF) - G-Link Technology
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GLT44032-E-35 Datasheet PDF : 12 Pages
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GLT44032-E
AC Characteristics (VCC = 3.3 V ±0.3 V, TA = 0 °C to +70 °C, CL < 1 pF)
-30
-35
Symbol
Description
Min
Max
Min
Max
Units
tRC
tPC
tOFF
tDOH
tAA
tRAC
tCAC
tCPA
tRAS
tRCD
tCAS
tASR
tRAH
tASC
tCAH
tCP
tCSH
tDS
tDH
tRP
tCRP
tRSH
tRCS
tRCH
tRRH
tWCS
tWCH
tWP
tT
tRWL
tCWL
tDMS
tDMH
tODW
Random Read/Write cycle time
Page Mode Read/Write cycle
Read Data valid from RAS high
Read Data valid from next CAS low
Access time from Column Address
Access time from RAS low
Access time from CAS low
Access time from CAS precharge
RAS pulse width
RAS to CAS delay time
CAS pulse width
Row Address setup time
Row Address hold time
Column Address setup time
Column Address hold time
CAS precharge time
CAS hold time from RAS
Write Data setup time
Write Data hold time
RAS precharge time
CAS to RAS precharge time
CAS low to RAS high hold time
Read command setup time
Read command hold time from CAS high
Read command hold time from RAS high
Write command setup time
Write command hold time
WE pulse width
Transition time (rise and fall)
Write command to RAS high
Write command to CAS high
DQM mask write setup time to CAS
DQM mask write hold time from CAS
WE control output disable
60
–
70
–
ns
10
–
12.5
–
ns
0
–
0
–
ns
3
–
3
–
ns
–
12
–
14
ns
–
30
–
35
ns
–
8
–
10
ns
–
14
–
17
ns
30
–
35
–
ns
15
30
18
35
ns
4
–
5
–
ns
2
–
2
–
ns
3
–
4
–
ns
2
–
2
–
ns
3
–
4
–
ns
4
–
5
–
ns
30
–
35
–
ns
2
–
2
–
ns
3
–
4
–
ns
20
–
25
–
ns
5
–
10
–
ns
5
–
10
–
ns
3
–
5
–
ns
3
–
5
–
ns
3
–
5
–
ns
3
–
5
–
ns
3
–
5
–
ns
8
–
10
–
ns
–
1.0
–
1.0
ns
8
–
10
–
ns
8
–
10
–
ns
0
–
0
–
ns
3
–
4
–
ns
8
–
10
–
ns
1. For better performance margin, switch column addresses and data-in on the rising edge of CAS. Switch DQM on the falling edge of CAS.
2. Set-up time for DQM to CAS going active (low) is 0 ns; hold-time for DQM from CAS going non-active (high) is 4 ns. DQM going low will mask the write.
Notes
[1]
[1]
[1]
[2]
[2]
G-LINK Technology
5
May 1997 (Rev. 1)
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