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WF5091A Datasheet PDF - NPC

Part Number WF5091A
Description 32kHz output Crystal Oscillator IC
Manufacturers NPC 
Logo NPC Logo 



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WF5091A datasheet, circuit
WF5091A
32kHz output Crystal Oscillator IC with Frequency Adjustment Function
OVERVIEW
The WF5091A is a 32.768kHz output crystal oscillator module IC with built-in frequency adjustment functions by EEPROM. The
WF5091Ais ideal for wide range of operating supply voltage, low current consumption, low jitter, crystal oscillator module.
FEATURES
Oscillation and output frequency: 32.768kHz
Wide range of operating supply voltage: 1.2 to 5.5V
Operating temperature of oscillation operation: -40 to +85°C
Low current consumption: 1Atyp. (VDD=3.3V, no load)
CMOS input / output
±0.4mAoutput drive capability (VDD=3.3V)
f0 adjustment function by EEPROM (3-wire serial interface)
Output disable function
ORDERING INFORMATION
Device
Package
WF5091A
Wafer form
SEIKO NPC CORPORATION - 1

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WF5091A equivalent
WF5091A
AC Characteristics 1 (Clock Output Characteristics)
VDD=1.2 to 5.5V, VSS=0V, Ta=-40 to +85°C, CLOUT=15pF unless otherwise noted.
Parameter
Symbol
Conditions
Output duty cycle
Output rise time
Output fall time
Output enable delay time
Output disable delay time
DUTY
tr
tf
tOE
tOD
Measurement circuit 2
1.2VVDD5.5V, Vth=0.5VDD
Measurement circuit 2
0.2VDD0.8VDD
Measurement circuit 2
0.8VDD0.2VDD
Measurement circuit 3
INHN=“L”“H”
Measurement circuit 3
INHN=“H”“L”
MIN
45
Rating
TYP
50
MAX
55
200
200
16
16
Unit
%
ns
ns
s
s
0.8VDD
0.2VDD
tr
0.8VDD
0.2VDD
TW
T
tf
Output switching waveform
Q
DUTY measurement
voltage 0.5VDD
DUTY=TW /T×100(%)
SEIKO NPC CORPORATION - 5

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Information Total 13 Pages
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Part NumberDescriptionManufacturers
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