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CF5741AB Datasheet(PDF) 3 Page - Nippon Precision Circuits Inc

Part # CF5741AB
Description  Analog Clock CMOS IC
Download  7 Pages
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Manufacturer  NPC [Nippon Precision Circuits Inc]
Direct Link  http://www.npc.co.jp/en
Logo NPC - Nippon Precision Circuits Inc

CF5741AB Datasheet(HTML) 3 Page - Nippon Precision Circuits Inc

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CF5741 series
NIPPON PRECISION CIRCUITS—3
SPECIFICATIONS
Absolute Maximum Ratings
Electrical Characteristics
Ta
= 25°C, V
DD = 1.5V, VSS = 0V, X′tal (fo = 32.768kHz, CI ≤ 35kΩ), unless otherwise noted.
Parameter
Symbol
Condition
Rating
Unit
Supply voltage
VDD − VSS
− 0.3 to 5.0
V
Input voltage
VIN
VSS ≤ VIN ≤ VDD
V
Operating temperature
TOPR
− 30 to 80
°C
Storage temperature
TSTG
− 65 to 150
°C
Parameter
Symbol
Condition
Rating
Unit
min
typ
max
Supply voltage
VDD
1.2
1.5
2.0
V
Current consumption
IDD
OUT1, OUT2
= Open
1.2
4.0
µA
Oscillator start-up time
tSTA
VDD = 1.2V
5.0
sec
VDD = 1.5V
2.0
sec
Motor output current
IMOT
VDD = 1.2V, RL = 200Ω
1
1. RL is resistor of motor coil, that connect OUT1 between OUT2.
4.0
mA
Input resistance2(AI, RST/TC)
2. RIN = VDD/IIS.IIS is current that flow into VSS from AI, RST/TC, when AI, RST/TC short VSS. (AI,RST/TC build-in pull-up resistor.)
RIN
200
1200
k
Ω
Oscillator stability
∆ f/f
VDD = 1.2V to 2.0V
0.5
1.0
ppm / 0.1V
Alarm output current
(AO1, AO2/F)
IOL1
VOL = 0.75V
900
µA
IOL2
VOL = 0.75V
10
µA
IOH1
VOH = 0.75V
900
µA
IOH2
VOH = 0.75V
10
µA
Frequency output voltage
VF
VDD = 1.2V, CL = 50pF
0.4
V
Internal capacitance3
3. CG is internal capacitor between VDD and XT. CD is internal capacitor between VDD and XTN.
CG
pF
CD
pF


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