參數(shù)資料
型號: EL1881CS-T7
英文描述: Sync Separator, Low Power
中文描述: 同步分離器,低功耗
文件頁數(shù): 6/12頁
文件大小: 319K
代理商: EL1881CS-T7
3
EL1881C
Sync Separator, Low Power
E
L
18
81
C
Pin Descriptions
Pin Number
Pin Name
Pin Function
1
Composite
Sync Out
Composite sync pulse output; sync pulses start on a falling edge and end on a rising edge
2
Composite
Video In
AC coupled composite video input; sync tip must be at the lowest potential (positive picture phase)
3
Vertical Sync
Out
Vertical sync pulse output; the falling edge of vert sync is the start of the vertical period
4
GND
Supply ground
5
Burst/Back
Porch Output
Burst/back porch output; low during burst portion of composite video
6
RSET [1]
An external resistor to ground sets all internal timing; a 681k 1% resistor will provide correct timing for NTSC signals
7
Odd/Even
Output
Odd/even field output; high during odd fields, low during even fields; transitions occur at start of vert sync pulse
8
VDD 5V
Positive supply (5V)
1. RSET must be a 1% resistor
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