參數(shù)資料
型號(hào)： L64734
廠商： LSI CORP
元件分類(lèi)： 消費(fèi)家電
英文描述： Tuner and Satellite Receiver Chipset
中文描述： SPECIALTY CONSUMER CIRCUIT, PQFP100
封裝： PLASTIC, QFP-100
文件頁(yè)數(shù)： 36/48頁(yè)
文件大?。?/td> 478K
代理商： L64734
36
L64733/L64734 Tuner and Satellite Receiver Chipset
L64734 AC Timing
This section includes AC timing information for the L64734. During AC
testing, HIGH inputs are driven to 3.0 V, and LOW inputs are driven to
0 V. For transitions between HIGH, LOW, and invalid states, timing
measurements are made at 1.5 V, as shown in
Figure 8
.
Figure 8
AC Test Load and Waveform for Standard Outputs
For 3-state outputs, timing measurements are made from the point at
which the output turns ON or OFF. An output is ON when its voltage is
greater than 2.5 V or less than 0.5 V. An output is OFF when its voltage
is less than V
DD
0.5 V or greater than 0.5 V, as shown in
Figure 9
.
VREFP
Reference Voltage, Positive
Input/Output
VREFN
Reference Voltage, Negative
Input/Output
VMID
Reference Voltage, Middle
Input/Output
XCTR_IN
Control Input
Input
XCTR[3:0]
Control Output/Sync Status Flag
Output
XOIN
Crystal Oscillator In
Input
XOOUT
Crystal Oscillator Out
Output
Table 10
L64734 Pin Description Summary (Cont.)
Mnemonic
Description
Type
(Sheet 3 of 3)
CL = 15 pF
Test
Point
Output
1.5 V
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