HY57V56820CLT View Datasheet(PDF) - Hynix Semiconductor
Part Name
Description
Manufacturer
HY57V56820CLT Datasheet PDF : 12 Pages
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HY57V56820C(L)T
AC CHARACTERISTICS I (AC operating conditions unless otherwise noted)
Parameter
Symbol
-6
Min Max
-K
Min Max
-H
Min Max
-8
Min Max
-P
Min Max
-S
Min Max
Unit Note
System Clock Cycle CAS Latency = 3
Time
CAS Latency = 2
tCK3
tCK2
6
7.5
7.5
8
10
10
ns
1000
1000
1000
1000
1000
1000
7.5
7.5
10
10
10
12
ns
Clock High Pulse Width
tCHW
2.5
-
2.5
-
2.5
-
3
-
3
-
3
-
ns
1
Clock Low Pulse Width
tCLW
2.5
-
2.5
-
2.5
-
3
-
3
-
3
-
ns
1
Access Time From CAS Latency = 3
Clock
CAS Latency = 2
tAC3
tAC2
-
5.4
-
5.4
-
5.4
-
6
-
6
-
6
ns
2
-
6
-
5.4
-
6
-
6
-
6
-
6
ns
Data-Out Hold Time
tOH
2.7
-
2.7
-
2.7
-
3
-
3
-
3
-
ns
Data-Input Setup Time
tDS
1.5
-
1.5
-
1.5
-
2
-
2
-
2
-
ns
1
Data-Input Hold Time
tDH
0.8
-
0.8
-
0.8
-
1
-
1
-
1
-
ns
1
Address Setup Time
tAS
1.5
-
1.5
-
1.5
-
2
-
2
-
2
-
ns
1
Address Hold Time
tAH
0.8
-
0.8
-
0.8
-
1
-
1
-
1
-
ns
1
CKE Setup Time
tCKS
1.5
-
1.5
-
1.5
-
2
-
2
-
2
-
ns
1
CKE Hold Time
tCKH
0.8
-
0.8
-
0.8
-
1
-
1
-
1
-
ns
1
Command Setup Time
tCS
1.5
-
1.5
-
1.5
-
2
-
2
-
2
-
ns
1
Command Hold Time
tCH
0.8
-
0.8
-
0.8
-
1
-
1
-
1
-
ns
1
CLK to Data Output in Low-Z Time
tOLZ
1
-
1
-
1
-
1
-
1
-
1
-
ns
CLK to Data Output CAS Latency = 3 tOHZ3
2.7 5.4 2.7 5.4 2.7 5.4
3
6
3
6
3
6
ns
in High-Z Time
CAS Latency = 2 tOHZ2
2.7 5.4 2.7 5.4
3
6
3
6
3
6
3
6
ns
Note :
1.Assume tR / tF (input rise and fall time ) is 1ns
2.Access times to be measured with input signals of 1v/ns edge rate
Rev. 0.4 / July 2003
7
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