参数资料
型号: GT-48004A
厂商: Galileo Technology Services, LLC
英文描述: Four Port Switched Fast Ethernet Controller(四端口、交换式快速以太网控制器)
中文描述: 四端口交换式快速以太网控制器(四端口,交换式快速以太网控制器)
文件页数: 3/106页
文件大小: 953K
代理商: GT-48004A
GT-48004A Four Port Switched Fast Ethernet Controller
N:\Marketing\Docs\Archive\48004A\DATASHEET\Rev 1.0\484ads10.fm
Revision 1.0
100
26.
AC Timing - PRELIMINARY/SUBJECT TO CHANGE
(Tc= 0-70oC; VDD= +3.3V, +/- 5%)
Notes:
1. All Delays, Setup, and Hold times are referred to Clk rising edge, unless stated otherwise.
2. All outputs are specified for 50pF load.
3. “All Inputs” and “All Outputs” also refer to I/O signal behavior.
Symbol
Signals
Description
Min
Max
Unit
Clk
System Clock
66
MHz
Clk
Rise/Fall Time (PCI Specification Rev. 2.1)
1
4
V/ns
t4
AD[31:0], CBE[3:0]*
4
ns
t4
Rst*, Frame*, IRdy*,
TRdy*, DevSel*, Stop*,
PErr*, Par, Int*, Gnt*,
IdSel, Req*, SErr*
5ns
t5
AD[31:0], CBE[3:0]*
1
ns
t5
Rst*, Frame*, IRdy*,
TRdy*, DevSel*, Stop*,
PErr*, Par, Int*, Gnt*,
IdSel, Req*, SErr*
1
ns
t3
DAddr[8:0],
DData[31:0], CAS*,
RAS*, WE*
Delay from Clock Rising or Falling Edge
2
12
ns
t4
RstQueue*, EnDev*
Setup
10
ns
t5
RstQueue*, EnDev*
Hold
1
ns
t6
DData[31:0]
Float Delay
2
12
ns
t7
DData[31:0]
Drive Delay
2
12
ns
t8
DData[31:0]
Setup
2
ns
t9
DData[31:0]
Hold
3
ns
t4
RxD[3:0], RxDv, RxEr,
Col, Crs, MDio
Setup
10
ns
t5
RxD[3:0], RxDv, RxEr
Hold
1
ns
t3
Txd[3:0], TxEn, Led-
Clk, LedStb, LedData,
MDC, MDio
Delay from Clock Rising or Falling Edge
2
10
ns
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