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YTD427 Datasheet, PDF (16/23 Pages) List of Unclassifed Manufacturers – ISDN DSU Analog Front End
14
CHAPTER 5. ELECTRICAL CHARACTERISTICS
5.2 Recommended Operating Conditions
(DVSS=AVSS=0.0VɺTa=25 ˆ)
Parameters
Symbol Condition Min. Typ. Max. Units
Digital Power Supply Voltage
DVDD
4.75 5.0 5.25 V
Analog Power Supply Voltage
AVDD
4.75 5.0 5.25 V
Digital Input Voltage
DVIN
DVSS
DVDD V
Analog Input Voltage
AVIN
AVSS
AVDD V
Digital Output Voltage
DVIN
DVSS
DVDD V
Analog Output Voltage
AVIN
AVSS
AVDD V
Operating Temperature Range
TOP
020 25 70 ˆ
External Clock Input
Clock Frequency
fCP (Note1)
0.64
MHz
Clock Frequency Allowable Deviation 1fCP (Note1) 050
50 ppm
Clock Duty
tDUTY (Note1) 45 50 55 %
High Level Time
tWCH (Note1) 400
ns
Low Level Time
tWCL (Note1) 400
ns
Rise Time
tTLHC (Note1)
20 ns
Fall Time
tTHLC (Note1)
20 ns
YTD426 Supply Input Signal
High-Level Pulse Width
tWDH (Note2) 90
ns
Low-Level Pulse Width
tWDL (Note2) 90
ns
Rise Time
tTLHD (Note2)
10 ns
Fall Time
tTHLD (Note2)
10 ns
Note 1 With respect to ADCK pin.
Note 2 With respect to A1, A0, RWN, STRBN, D15 to D0 pins.