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參數(shù)資料
| 型號(hào)： | ADS8608A8A-75 |
| 廠商： | ADATA Technology Co., Ltd. |
| 英文描述： | Synchronous DRAM(8M X 8 Bit X 4 Banks) |
| 中文描述： | 同步DRAM（8米× 8位× 4銀行） |
| 文件頁數(shù)： | 6/8頁 |
| 文件大小： | 533K |
| 代理商： | ADS8608A8A-75 |
A-Data
ADS8608A8A
AC Characteristics
Speed
75
75A
Parameter
Symbol
Min
Max
Min
Max
Unit
Note
/CAS Latency = 2 tCK2
7.5
1000
10
10
System clock
Cycle time
/CAS Latency = 3 tCK3
7
1000
7.5
7
ns
Clock high pulse width
tCHW
2.5
2.5
ns
1
Clock low pulse width
tCLW
2.5
2.5
ns
1
/CAS Latency = 2 tAC2
5.4
Access time form
clock
/CAS Latency = 3 tAC3
5.4
ns
2
/CAS Latency = 2 tWR2
7.5
10
7.5
Write Recovery
Time
/CAS Latency = 3 tWR3
7
7.5
/RAS cycle time
tRC
56
65
ns
/RAS to /CAS delay
tRCD
15
20
ns
/RAS active time
tRAS
40
100K
45
100K
ns
/RAS precharge time
tRP
15
20
ns
/RAS to /RAS bank active delay
tRRD
15
15
ns
/CAS to /CAS delay
tCCD
1
1
CLK
Data – input setup time
tDS
1.5
1.5
ns
1
Data – input hold time
tDH
0.8
0.8
ns
1
Address setup time
tAS
1.5
1.5
ns
1
Address hold time
tAH
0.8
0.8
ns
1
CKE setup time
tCKS
1.5
1.5
ns
1
CKE hold time
tCKH
0.8
0.8
ns
1
Command setup time
tCMS
1.5
1.5
ns
1
Command hold time
tCMH
0.8
0.8
ns
1
Output Data Hold Time
tOH
3
3
ns
Output Data High Impedance Time
tHZ
3
7
3
7.5
ns
Output Data Low Impedance Time
tLZ
0
0
ns
Mode register Set Cycle Time
tRSC
14
15
ns
Refresh time
tREF
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 1.0 December, 2001
6
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADS8608A8A-75A | 制造商:A-DATA 制造商全稱:A-DATA 功能描述:Synchronous DRAM(8M X 8 Bit X 4 Banks) |
| ADS8616A8A | 制造商:A-DATA 制造商全稱:A-DATA 功能描述:Synchronous DRAM(4M X 16 Bit X 4 Banks) |
| ADS8616A8A-75 | 制造商:A-DATA 制造商全稱:A-DATA 功能描述:Synchronous DRAM(4M X 16 Bit X 4 Banks) |
| ADS8616A8A-75A | 制造商:A-DATA 制造商全稱:A-DATA 功能描述:Synchronous DRAM(4M X 16 Bit X 4 Banks) |
| ADS8634 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:12-Bit, 1MSPS, 4-/8-Channel, Bipolar-Input, SAR Analog-to-Digital Converter |
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