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VDS6616A4A View Datasheet(PDF) - A-Data Technology

Part Name
Description
View to exact match
VDS6616A4A
A-Data
A-Data Technology A-Data
VDS6616A4A Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
V-Data
AC Characteristics
VDS6616A4A
Parameter
-5
-6
-7
-7.5
Symbol
Unit Note
Min Max Min Max Min Max Min Max
System clock /CAS Latency = 3 tCK3
Cycle time /CAS Latency = 2 tCK2
5
6
7
7
1000
1000
1000
1000 ns
7
7.5
8
8
Clock high pulse width
tCHW 1.5 - 2 - 2 - 2 - ns 1
Clock low pulse width
tCLW 1.5 - 2 - 2 - 2 - ns 1
Access time /CAS Latency = 3 tAC3
form clock /CAS Latency = 2 tAC2
- 4.5
- 5.5
5 - 5.5 - 5.5
ns 2
5.5 - 6 - 6
/RAS cycle
time
Operation
Auto Refresh
tRC
54 - 60 - 65 - 65 -
ns
tRRC 54 - 60 - 65 - 65 -
/RAS to /CAS delay
tRCD 14 - 18 - 20 - 20 - ns
/RAS active time
tRAS 40 100K 42 100K 42 120K 42 120K ns
/RAS precharge time
tRP
14 - 18 - 20 - 20 - ns
/RAS to /RAS bank active delay tRRD 10 - 12 - 14 - 14 - ns
/CAS to /CAS delay
tCCD 1 - 1 - 1 - 1 - CLK
Data – out hold time
tOH 1.5 - 2 - 2 - 2 - ns
Data – input setup time
tDS
1.5 - 1.5 - 1.5 - 1.5 - ns 1
Data – input hold time
tDH
1 - 1 - 1 - 1 - ns 1
Address setup time
tAS
1.5 - 1.5 - 1.5 - 1.5 - ns 1
Address hold time
tAH
1 - 1 - 1 - 1 - ns 1
CKE setup time
tCKS 1.5 - 1.5 - 1.5 - 1.5 - ns 1
CKE hold time
tCKH 1 - 1 - 1 - 1 - ns 1
Command setup time
tCS
1.5 - 1.5 - 1.5 - 1.5 - ns 1
Command hold time
tCH
1 - 1 - 1 - 1 - ns 1
Refresh time
tREF 64 - 64 - 64 - 64 - ms
Note : 1. Assume tR / tF (input rise and fall time) is 1 ns.
2. Access times to be measured with input signals of 1v / ns edge rate.
3.A new command can be given tRRC after self refresh exit.
Rev 1.1 April, 2001
6
 

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