參數(shù)資料
型號(hào): AM79C850KCW
廠(chǎng)商: ADVANCED MICRO DEVICES INC
元件分類(lèi): 微控制器/微處理器
英文描述: SUPERNET-R 3
中文描述: 1 CHANNEL(S), 100M bps, FDDI CONTROLLER, PQFP208
封裝: PLASTIC, QFP-208
文件頁(yè)數(shù): 90/97頁(yè)
文件大?。?/td> 358K
代理商: AM79C850KCW
AMD
P R E L I M I N A R Y
90
SUPERNET 3
SWITCHING CHARACTERISTICS over COMMERCIAL operating ranges
External PHY Interface Timing
Parameter
Symbol
No.
Parameter Description
Min
Max
Unit
126
t
PD
BCLK High to X–Bus (X0–7, XCU, XCL) Valid
35
ns
127
t
PD
X–Bus (X0–7, XCU, XCL) Invalid from BCLK High
6
ns
130
t
S
R0–7, RCU, RCL Setup Time to LSCLK Low
10
ns
131
t
H
R0–7, RCU, RCL Hold Time to LSCLK Low
5
ns
SWITCHING WAVEFORMS
LSCLK
R-Bus
(R0–R7,
RCU, RCL)
X-Bus
(X0–X7,
XCU, XCL)
19574A-39
BCLK
127
130
131
126
Figure 38. PHY Interface Timings
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