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参数资料
| 型号： | PC66-222-620 |
| 厂商： | SIEMENS AG |
| 英文描述： | 3.3V 4M x 64/72-Bit 1 BANK SDRAM Module 3.3V 8M x 64/72-Bit 2 BANK SDRAM Module |
| 中文描述： | 3.3 4米× 64/72-Bit一银行内存模块3.3 8米× 64/72-Bit 2银行内存模块 |
| 文件页数： | 1/15页 |
| 文件大小： | 76K |
| 代理商： | PC66-222-620 |
Semiconductor Group
1
3.3V 4M x 64/72-Bit 1 BANK SDRAM Module
3.3V 8M x 64/72-Bit 2 BANK SDRAM Module
PC66 & PC100 168 pin unbuffered DIMM Modules
HYS64(72)V4200GU
HYS64(72)V8220GU
168 Pin unbuffered 8 Byte Dual-In-Line SDRAM Modules
for PC main memory applications
One bank 4M x 64, 4Mx72 and two bank 8M x 64, 8M x 72 organisation
Optimized for byte-write non-parity and ECC applications
JEDEC standard Synchronous DRAMs (SDRAM)
Fully PC board layout compatible to INTEL’s Rev. 1.0 module specification
SDRAM Performance:
Programmed Latencies :
Single +3.3V(
±
0.3V ) power supply
Programmable CAS Latency, Burst Length and Wrap Sequence
(Sequential & Interleave)
Auto Refresh (CBR) and Self Refresh
Decoupling capacitors mounted on substrate
All inputs, outputs are LVTTL compatible
Serial Presence Detect with E
2
PROM
Utilizes 4M x16 SDRAMs in TSOPII-54 packages
4096 refresh cycles every 64 ms
133,35 mm x 29,31 mm x 4,00 mm card size with gold contact pads
-8
-8B
-10
Units
f
CK
Clock frequency (max.)
100
100
66
MHz
t
AC
Clock access time
6
6
8
ns
Product Speed
CL
tRCD
tRP
-8
PC100
2
2
2
-8B
PC100
3
2
3
-10
PC66
2
2
2
8.98
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