參數(shù)資料
型號: STP2202ABGA
元件分類: 微控制器/微處理器
英文描述: SPECIALTY MICROPROCESSOR CIRCUIT, PBGA320
封裝: BGA-320
文件頁數(shù): 62/106頁
文件大?。?/td> 519K
代理商: STP2202ABGA
59
Dual Processor System Controller
DSC
STP2202ABGA
June 1998
Sun Microsystems, Inc
Figure 42. 12 NSec Different SIMM Group Read <-> Write Timing
-1 01234
5
6
7
8
9
10
Bank 1
Bank 0
11
Cycle ends at 10
0,1 2,3 4,5 6,7
12
-2
01
1
2
4
35
Bank1
Bank0
0,12,3 4,5 6,7
Diff Rd->Wr timer is programmed for 12; Limiting factor is that UPA data bus requires one clock of float
Also, lab experiments show that first write stretch point holds for 3 clocks
678
910 11
13
Diff Wr->Rd timer is programmed for 12; Limiting factor is CAS address hold to RAS address setup
14 15 16 17 18 19 20 21 22 23 24
Write is programmed to start at 12
float
Different Read -> Write Time is 25 clocks at 83 MHz or 427 MBytes/Sec
0
12
11
MRB
MWB
Read is programmed to start at 12
Cycle ends at 12
because the read data must be unloaded from the XB1 before the write can start
0ns
50ns
100ns
150ns
200ns
250ns
300ns
clk1
PM-MP req
XB1-MP cmd
MRB/MWB-ctrl
wr/
RAS/
Addr (ROW)
CAS0/
CAS1/
BankSel
DRAM Data
UPA Data
PingPong
Stretch
RAS1/
CAS2/
CAS3/
clk2
相關(guān)PDF資料
PDF描述
STP2202BGA-100 SPECIALTY MICROPROCESSOR CIRCUIT, PBGA320
STP2223BGA PCMCIA BUS CONTROLLER, PBGA456
STP3021TAB SPECIALTY MICROPROCESSOR CIRCUIT, UUC288
STP3031PQFP SPECIALTY MICROPROCESSOR CIRCUIT, PQFP84
STP5011DMBUS-75 64-BIT, 75 MHz, MICROPROCESSOR, XMA100
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
STP2205BGA 制造商:SUN 功能描述:
STP220N6F7 功能描述:MOSFET N-CH 60V 120A TO-220 制造商:stmicroelectronics 系列:STripFET? F7 包裝:管件 零件狀態(tài):有效 FET 類型:MOSFET N 通道,金屬氧化物 FET 功能:標準 漏源極電壓(Vdss):60V 電流 - 連續(xù)漏極(Id)(25°C 時):120A(Tc) 不同?Id,Vgs 時的?Rds On(最大值):2 毫歐 @ 60A,10V 不同 Id 時的 Vgs(th)(最大值):4V @ 250μA 不同 Vgs 時的柵極電荷(Qg):100nC @ 10V 不同 Vds 時的輸入電容(Ciss):6400pF @ 25V 功率 - 最大值:237W 工作溫度:-55°C ~ 175°C(TJ) 安裝類型:通孔 封裝/外殼:TO-220-3 供應(yīng)商器件封裝:TO-220 標準包裝:50
STP2210QFP 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Interrupt Controller
STP2220ABGA 制造商:SUN 功能描述: 制造商:SUN 功能描述:Electronic Component
STP2222ABGA 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Uniprocessor System Controller