EL4511 查看數據表（PDF） - Intersil
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EL4511 Datasheet PDF : 24 Pages
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EL4511
Electrical Specifications VS = VCCA1 = VCCA2 = VCCD = +5V, TA = 25°C, NTSC input signal on SYNCIN, no output loads, unless
otherwise specified. (Continued)
PARAMETER
DESCRIPTION
CONDITIONS
MIN
TYP
MAX
UNIT
REFERENCE OSCILLATOR
FIN
Reference Input Frequency
Refer to description of operation
FXTAL
Crystal Frequency
Watch crystal (optional)
CONTROL INTERFACE SIGNALS PDWN, SDENB, SCL AND SDA
50
kHz
32.768
kHz
VHIGH
Input Logic High Threshold
VLOW
Input Logic Low Threshold
O/PVHI
SDA O/P Logic High State
@ 1mA
O/PVLOW
SDA O/P Logic Low State
@ 1mA
FSCL
Serial Control Clock Frequency
TCLS
Setup Time
TCLH
Hold Time
TLC
Load to Clock Time
TDC
Hold to Clock Time
TCD
Clock to Data Out Time
NOTES:
1. NTSC signal; see curves for other rates.
2. XTAL pin must be low, otherwise 70µA.
3. I/P range reduces if VS of 3.3V - 4.5V (see Timing Diagram 1).
VGNDD+1V
VCCD-0.4
VCCD-1V
V
GNDD+0.4 V
5
MHz
30
ns
30
ns
30
ns
30
ns
30
ns
3
FN7009.7
July 21, 2005
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