DatasheetsPDF.com

CF5746AFA Dataheets PDF



Part Number CF5746AFA
Manufacturers Nippon Precision Circuits Inc
Logo Nippon Precision Circuits Inc
Description CMOS Analog Clock IC
Datasheet CF5746AFA DatasheetCF5746AFA Datasheet (PDF)

CF5746 Series NIPPON PRECISION CIRCUITS INC. CMOS Analog Clock IC OVERVIEW The CF5746 Series devices are analog clock ICs that derive their timing from a 32 kHz oscillator element. They feature alarm outputs, snooze function and alarm auto-stop function. They can be configured to match a wide variety of clock specifications, alarm functions and motor outputs. s s FEATURES s s s 32.768 kHz oscillator circuit • Rf and Rd built-in • Oscillator capacitance built-in - CD = 30 pF (typ, excluding .

  CF5746AFA   CF5746AFA



Document
CF5746 Series NIPPON PRECISION CIRCUITS INC. CMOS Analog Clock IC OVERVIEW The CF5746 Series devices are analog clock ICs that derive their timing from a 32 kHz oscillator element. They feature alarm outputs, snooze function and alarm auto-stop function. They can be configured to match a wide variety of clock specifications, alarm functions and motor outputs. s s FEATURES s s s 32.768 kHz oscillator circuit • Rf and Rd built-in • Oscillator capacitance built-in - CD = 30 pF (typ, excluding CF5746ADC) - CD = 20 pF (typ, CF5746ADC) s s s Alarm outputs • Compatible with electronic sound alarms and motor bells • 4-step increasing volume alarm output (CF5746AAB, ADC, AEA, AFA (AO1), AGA (AO1)) Snooze function • Temporarily stops alarm output and then restarts after a fixed time Debouce circuit (AI/SNZ pin) Test functions • Shortening snooze time and auto-stop time • Increasing motor speed (excluding CF5746BCA) Power-ON clear function 1.5 V supply voltage Chip form SERIES CONFIGURATION XT pin CG (pF) XT pin CG (pF) Active level Motor output Needle period tCY (s) Pulsewidth tPW (ms) Alarm active level Pin type SNZ interface AI/SNZ input SNZ time tSNZ (s) Bounce delay (ms) SNZ release Pins Active level Frequency fPW (Hz) Modulation fCY(Hz) Step 1 Step 2 Duty (%) Step 3 Step 4 Alarm output Step 1 Step 2 Step time Step 3 (s) Built-in capacitance Step 4 IOH min (mA) IOL min (mA) Auto-stop tSTOP (s) Pad layout Other CF5746AAB None 30 HIGH 1 23.4375 LOW 512 Hz Yes 256 31.25 No AO AO HIGH LOW 1 4096 4096 8+1 8+1 12.5 12.5 25 25 50 50 – – 0 to 7 0 to 7 7 to 15 7 to 15 15 to 15 to AS AS 2 – −0.8 0.8 128 A – −0.8 0.8 C F 5 7 4 6 A BA None 30 HIGH 1 31.25 LOW 512 Hz Yes 256 31.25 No AO1 AO2 HIGH HIGH DC DC – – – – – – – – – – – – – – – – −0.8 0.8 128 A – – −0.8 0.8 CF5746BCA None 30 – 0.125 50% duty LOW 512 Hz Yes 256 31.25 No AO1 AO2 HIGH HIGH DC DC – – – – – – – – – – – – – – – – – – CF5746ADC None 20 HIGH 1 46.875 HIGH 512 Hz No 256 31.25 No AO AO HIGH LOW 1 2048 2048 8+1 8+1 6.26 6.26 12.5 12.5 25 25 50 50 0 to 3 0 to 3 3 to 7 3 to 7 7 to 31 7 to 31 CF5746AEA None 30 HIGH 1 31.25 LOW 512 Hz Yes 256 31.25 No AO AO HIGH LOW 1 2048 2048 8+1 8+1 6.26 6.26 12.5 12.5 50 50 – – 0 to 7 0 to 7 7 to 15 7 to 15 15 to 15 to AS AS C F 5 7 4 6 A FA None 30 HIGH 1 46.875 LOW Pull-up Yes 256 31.25 Yes (2 s) AO1 AO2 HIGH HIGH 2048 DC 8+1 – 12.5 – 25 – 50 – – – 0 to 7 – 7 to 15 – 15 to – AS – −0.8 0.002 128 A – −0.8 0.8 C F 5 7 4 6 AG A None 30 HIGH 1 31.25 LOW Pull-up Yes 256 31.25 Yes (2 s) AO1 AO2 HIGH HIGH 2048 DC 8+1 – 6.26 – 12.5 – 50 – – – 0 to 7 – 7 to 15 – 15 to – AS – −0.8 0.002 128 A – −0.8 0.8 31 to 31 to – – AS AS −0.8 −0.8 −0.8 −0.8 −0.8 −0.8 0.8 0.8 0.002 0.002 0.8 0.8 128 128 128 B A A Power-ON clear, oscillator Rd and Rf built-in 1. AO has the opposite polarity to AO only when output (same phase when non-active). 2. AS = auto-stop NIPPON PRECISION CIRCUITS—1 CF5746 Series PAD DIMENSIONS L ayout No. A (ex. BCA) 10 9 1 2 8 Dimensions (µm) X 166 166 166 166 444 1444 1444 1444 1444 1192 Y 1210 882 474 228 169 169 513 1219 1516 1531 B (BCA) VSS VDD AI/SNZ AO1 AO2 OUT1 OUT2 TEST XT XT 1 2 3 4 5 6 VDD VSS OUT1 AI/SNZ TEST OUT2 AO (AO1) AO (AO2) XT XT 3 Y 4 (0, 0) X 5 7 6 7 8 9 10 Chip size: 1.61 × 1.70 mm Chip thickness: 400 ± 30 µm Pad size: 100 × 100 µm Chip surface is at V DD potential. BLOCK DIAGRAM TEST VDD VSS XT XT CD 4- Stage Divider 11- Stage Divider Output Control OUT1 OUT2 AO Duty Control AO(AO1) AO(AO2) 4- Stage Divider Alarm Out Snooze Counter Input Control AI/SNZ NIPPON PRECISION CIRCUITS—2 CF5746 Series PIN DESCRIPTION Name VDD VSS XT XT OUT1 OUT2 AI/SNZ AO (AO1) AO (AO2) TEST Positive supply voltage pin Ground pin Oscillator input pin Oscillator output pin Motor output pin 1 Motor output pin 2 Alarm/snooze input pin Alarm output pin Alarm output pin Test pin Description SPECIFICATIONS Absolute Maximum Ratings P arameter Supply voltage range Input voltage range Operating temperature range Storage temperature range Symbol V DD − V SS V IN Topr Tstg Condition Rating −0.3 to 5.0 V SS to V DD −30 to 70 −40 to 125 Unit V V °C °C Electrical Characteristics Ta = 25 °C, VDD = 1.5 V, VSS = 0 V, f0 = 32.768 kHz unless otherwise noted Rating P arameter Operating voltage Current consumption1 Motor output current Alarm HIGH-level output current Alarm LOW-level output current2 Alarm LOW-level output current3 AI/SNZ HIGH-level input voltage AI/SNZ LOW-level input voltage AI/SNZ HIGH-level output current AI/SNZ LOW-level output current Oscillator frequency stability VDD-to-XT pin built-in capacitance VDD-to-XT pin built-in capacitance IOL V IH V IL IOH IOL ∆f/f CG Excluding CF5746ADC CD CF5746ADC VOH = V DD − 1.5 V VOL = V DD + 1.5 V Symbol V DD IDD IMOT IOH Condition min 1.2 No load – V DD = 1.2 V, RL = 200 Ω V DD = 1.2 V, VOH = 0.7 V V DD = 1.2 V, VOL = 0.5 V ±3.8 −0.8 0.8 2 V DD − 0.2 V SS Excluding CF5746AFA, AGA −1 1 – – – – 1.0 – −1.5 1.5 15 – – −3 3 0.5 None 30 20 2.0 – – – 30 V DD V .


CF5746AEA CF5746AFA CF5746AGA


@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site.
(Privacy Policy & Contact)