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CF5760CC Dataheets PDF



Part Number CF5760CC
Manufacturers Nippon Precision Circuits Inc
Logo Nippon Precision Circuits Inc
Description CMOS Analog Clock IC
Datasheet CF5760CC DatasheetCF5760CC Datasheet (PDF)

CF5760 series NIPPON PRECISION CIRCUITS INC. CMOS Analog Clock IC OVERVIEW The CF5760 series devices are analog clock ICs that derive their timing from a 32.768 kHz oscillator element. They feature a reset function (optional seconds control function) which can be used to maintain accurate time. Various alarm functions and motor outputs are available to match a wide range of clock specifications. FEATURES I I I I I I I I PAD LAYOUT Top view 1.2 to 2.0V operating supply voltage 1.2µA (typ) / 1.

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CF5760 series NIPPON PRECISION CIRCUITS INC. CMOS Analog Clock IC OVERVIEW The CF5760 series devices are analog clock ICs that derive their timing from a 32.768 kHz oscillator element. They feature a reset function (optional seconds control function) which can be used to maintain accurate time. Various alarm functions and motor outputs are available to match a wide range of clock specifications. FEATURES I I I I I I I I PAD LAYOUT Top view 1.2 to 2.0V operating supply voltage 1.2µA (typ) / 1.5V current consumption 32.768 kHz oscillator circuit Oscillator capacitance CG and CD built-in Alarm output function Reset function (optional seconds control function) Input chattering elimination function (AI/R) Chip form (CF5760××) VDD AI/R O1 1 2 9 8 XT XTN AON AO VSS 3 7 6 O2 (0,0) 4 HA5760 5 Chip size: 0.76 × 1.21 mm Chip thickness: 300 ± 30 µm P ad size: 100 × 100 µm R e verse side: V D D level SERIES CONFIGURATION CF5760AA Built-in capacitance 1 C (pF) D C G (pF) 3 25 H I G H / L OW LOW 1 23.4 AO HIGH 4 8 900 900 AO N LOW 4 8 900 900 AO HIGH DC – 900 10 C F 5 7 6 0 BA 3 25 H I G H / L OW LOW 1 23.4 AO N F (32kHz) CF5760CC 3 33 LOW/HIGH HIGH 1 31.25 AO HIGH 2 8+1 900 900 AO N LOW 2 8+1 900 900 C F 5 7 6 0 DA 3 25 LOW/HIGH LOW 1 27.3 AO HIGH DC – 900 10 AO N F (32kHz) CF5760EA 3 25 –/LOW – 1 1000 AO – – – – – AO N – – – – – CF5760FC 3 33 LOW/HIGH – 0.0625 62.5 AO HIGH 2 8+1 900 900 AO N LOW 2 8+1 900 900 CF5760HA 3 25 LOW/HIGH HIGH 1 46.875 AO HIGH 2 8+1 900 900 AO N LOW 2 8+1 900 900 C F 5 7 6 0 JA 3 25 LOW/HIGH – 0.0625 62.5 AO HIGH DC – 900 10 AO N F (32kHz) Alarm input/reset input level Active level Motor output Needle period tC Y (s) Pulsewidth tP W (ms) Pins Active level Frequency fP W (kHz) Modulation fC Y (Hz) IO H min ( µA) IO L min ( µA) – – 10 10 – – 10 10 – – 10 10 Alarm output 1. Built-in capacitance includes the parasitic capacitance. ORDERING INFORMATION D e vice C F 5 7 6 0 ×× P ackag e Chip form NIPPON PRECISION CIRCUITS—1 CF5760 series BLOCK DIAGRAM VSS VDD CG XT CD 7 Stage Divider 9 Stage Divider XTN AI/R Reset Input Alarm Input Alarm Output Control Motor Output Control AO AON O1 O2 PAD DESCRIPTION/DIMENSIONS Dimensions (µm) No. 1 2 3 4 5 6 7 8 9 Name VDD AI/R O1 O2 VSS AO AO N XTN XT Supply Alarm input and reset input Motor output 1 Motor output 2 Ground Alarm output 1 Alarm output 2 Oscillator output Oscillator input Description X 155 155 155 145 615 615 615 615 615 Y 1065 854 620 145 145 325 505 746 1065 NIPPON PRECISION CIRCUITS—2 CF5760 series SPECIFICATIONS Absolute Maximum Ratings P arameter Supply voltage range Input voltage range Operating temperature range Storage temperature range Symbol VDD − VSS V IN T opr T stg Condition Rating −0.3 to 5.0 V S S ≤ V IN ≤ V D D −30 to 80 −65 to 150 Unit V V °C °C Electrical Characteristics Ta = 25°C, VDD = 1.5V, VSS = 0V, CG = 23pF, CD = 25pF, X’tal (f0 = 32.768kHz, CI = 50kΩ max) unless otherwise noted Rating P arameter Operating voltage Cu.


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