參數(shù)資料
型號(hào): DM8108
廠商: Electronic Theatre Controls, Inc.
英文描述: 8 port 10/100M Fast Ethernet Switching Controller
中文描述: 8端口10/100M快速以太網(wǎng)交換控制器
文件頁數(shù): 30/35頁
文件大?。?/td> 371K
代理商: DM8108
DM8108
8 port 10/100M Fast Ethernet Switching Controller
30
Preliminary
Version: DM8108-DS-P02
November 25, 1999
SCLK
t3 min t3 min
t3 max t3 max
AC Electrical Characteristics & Timing Waveforms
(Tc = 0
70
°
C; Vcc = 3.3V
±
5%)
Symbol
Signals
SCLK
SCLK
RST*
MA, MD, CAS*,
RAS*,DWE*,
SDQM,
SCS*,SRAS*,
SCAS*
MD, RXD8 (1)
MD, RXD8 (2)
MD
MD, TXD8 (3)
Parameter
Min.
66
1
2
2
Max.
90
4
Unit
MHz
ns
SCLK
ns
Conditions
System Clock frequency
Rise/Fall time
Reset pulse width
Delay from SCLK rising or falling
edge
t3
8
t4
t5
t6
t7
Setup time
Hold time
Float delay
Drive delay
2
2
2
2
ns
ns
ns
ns
8
8
Notes:
1. MD is related to SCLK; RXD8 is related to RXDVCLK.
2. MD is related to SCLK; TXD8 is related to TXENCLK.
3. All Delays, Setup, and Hold times are referred to SCLK rising edge unless stated otherwise.
4. All outputs are specified for 25 pF load.
5. All inputs and outputs also refer to I/O signal behavior.
Output Delay from Rising Edge
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