參數(shù)資料
型號(hào): TB1245N
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PDIP56
封裝: PLASTIC, SDIP-56
文件頁(yè)數(shù): 60/101頁(yè)
文件大小: 1490K
代理商: TB1245N
TB1245N
2001-07-26
61
TEST CONDITION
(Note) "×" in the data column represents preset value at power ON.
NOTE
ITEM
SUB-ADDRESS & BUS DATA
MEASURING METHOD
DV1
DV2
DV3
AFC-MASK Start
Phase
AFC-MASK Stop
Phase
VNFB Phase
Sub 02H
Sub 16H
0
×
0
×
0
×
0
×
0
×
0
1
0
(1) Supply 5 V DC to pin 26.
(2) Set bus data as indicated on the left and activate the test mode.
(3) Measure the AFC-MASK start phase (X) and AFC-MASK stop phase (Y) of pin 56.
(4) Set the Sub 16H as indicated on the left.
(5) Measure the VNFB start phase (Z) of pin 54
DV4
DV5
DV6
V. Output
Maximum Phase
V. Output
Minimum Phase
V. Output Phase
Variable Range
Sub 16H
×
0
1
0
1
0
1
(1) Input video signal to pin 48.
(2) Measure both phases (Xmax, Xmin) of pin 49 and pin 54 with the respective bus data settings shown on
the left.
(3) Find difference between the two phases measured in the above step 2.
Y = Xmax Xmin
Unless otherwise specified : H, RGB VCC=9V ; VDD, Fsc VDD, Y / C VCC=5V ; Ta=25±3°C ; BUS=preset value ;
pin 48 input video signal=50 system
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