參數(shù)資料
型號: 84C30A
廠商: LSI Corporation
英文描述: 4-Port Ethernet Controller(四端口以太網(wǎng)控制器)
中文描述: 4端口以太網(wǎng)控制器(四端口以太網(wǎng)控制器)
文件頁數(shù): 31/46頁
文件大?。?/td> 439K
代理商: 84C30A
4-Port 84C30A
4-31
MD400151/C
Limits
Typ.
Units
(ns)
Symbol
[1]
COMMAND/STATUS INTERFACE READ AND WRITE TIMING
TDBD
Receive/Transmit
Command Status, and
Management Counters
All Other Registers
TDBR
CDST [7:0]
Bus Release Delay
TDBS
CDST [7:0]
Bus Siezure Delay
THA
A[3:0] Hold
THDA
CdSt Bus Hold
TSA
A[3:0] Setup
TSCS
CdSt Bus Setup
THCS
CdSt Bus Hold
TRWH
RD
/
High Width
Parameter
Min.
Max.
Condition
0.5 RXC/TXC
Cycles + 10 ns
1.5 RXC/TXC
Cycles + 50 ns
ns
RXC, TXC = 10 MHz
10
1.5
50
5.5
ns
ns
6
32
ns
10
0
15
10
0
ns
ns
ns
ns
ns
ns
1 TXC/RXC
Cycle
1.5 TXC/RXC
Cycles + 70 ns
30
30
RXC, TXC = 10 MHz
TRWL
RD
/
Low Width
ns
RXC, TXC = 10 MHz
TWWH
TWWL
WR High Width
WR Low Width
ns
ns
AC Test Conditions
Output Load: 1 Schottky TTL Gate + CL = 100 pF
except where specifically given otherwise in the condition
column.
Input Pulse Level:0.4 V to 2.4 V
Timing Reference Level:1.5 V
Capacitance
T
A
= 25
°
C, F
C
= 1 MHz
Symbol Parameter
C
IN
Input Capacitance
C
I/O
I/O Capacitance
Maximum
15 pF
15 pF
Condition
V
IN
= 0 V
V
I/O
= 0 V
5.0 AC Characteristics
T
A
= 0
°
C to 70
°
C, V
CC
= 5 V
±
5%
NOTES:
1. Italics indicate input requirement, non-italics indicate output timing.
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