CF5760BA Datasheet PDF - Nippon Precision Circuits Inc
| Part Number | CF5760BA | |
| Description | CMOS Analog Clock IC | |
| Manufacturers | Nippon Precision Circuits Inc | |
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NIPPON PRECISION CIRCUITS INC.
CF5760 series
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 1.2 to 2.0V operating supply voltage
I 1.2µA (typ) / 1.5V current consumption
I 32.768 kHz oscillator circuit
I Oscillator capacitance CG and CD built-in
I Alarm output function
I Reset function (optional seconds control function)
I Input chattering elimination function (AI/R)
I Chip form (CF5760××)
PAD LAYOUT
Top view
VDD 1
9 XT
AI/R
O1
O2
(0,0)
2
3
4
HA5760
8
7
6
5
XTN
AON
AO
VSS
Chip size: 0.76 × 1.21 mm
Chip thickness: 300 ± 30 µm
Pad size: 100 × 100 µm
R everse side: V D D level
SERIES CONFIGURATION
CF5760AA CF5760BA CF5760CC
Built-in
C G (pF)
capacitance1 C D (pF)
Alarm input/reset input level
3
25
HIGH/LOW
3
25
HIGH/LOW
3
33
LOW/HIGH
Active level
LOW
LOW
HIGH
Motor output
Needle period
tC Y (s)
Pulsewidth
tP W (ms)
Pins
1
23.4
AO AON
1
23.4
AO AON
1
31.25
AO AON
Active level
HIGH LOW HIGH F HIGH LOW
(32kHz)
Frequency
Alarm output fP W (kHz)
4
4 DC
Modulation
fC Y (Hz)
8
8
–
IO H min (µA) 9 0 0 9 0 0 9 0 0
IO L min (µA) 9 0 0 9 0 0 1 0
–22
– 8+1 8+1
10 900 900
10 900 900
1. Built-in capacitance includes the parasitic capacitance.
CF5760DA
3
25
LOW/HIGH
LOW
1
27.3
AO AON
HIGH F
(32kHz)
DC –
––
900 10
10 10
CF5760EA
3
25
–/LOW
–
1
1000
AO AON
––
––
––
––
––
CF5760FC
3
33
LOW/HIGH
–
0.0625
62.5
AO AON
HIGH LOW
22
8+1 8+1
900 900
900 900
CF5760HA
3
25
LOW/HIGH
HIGH
1
46.875
AO AON
HIGH LOW
22
8+1 8+1
900 900
900 900
CF5760JA
3
25
LOW/HIGH
–
0.0625
62.5
AO AON
HIGH F
(32kHz)
DC –
––
900 10
10 10
ORDERING INFORMATION
Device
C F 5 7 6 0 ××
Package
Chip form
NIPPON PRECISION CIRCUITS—1
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CF5760 series
Reset Function (optional seconds control function)
When AI/R goes active level for a reset, the motor output stops. When the reset is released, the first motor out-
put pulse occurs on the output pin opposite to that which had the last output pulse immediately before the reset.
AI/R
(Active Low)
O1
(Active High)
O2
(Active High)
tPW
tPW
t tCY CY
tON
t +0
CY −125msec
Alarm Output
Alarm output waveform
AI/R
(Active High)
tON
AO
(Active High)
AON *1
(Active Low)
fCY (Hz) fPW(Hz)
*1: Opposite phase to AO.
fP W = alarm fundamental frequency
fC Y = alarm modulation frequency
F Output Function
The AON pin may be replaced by the F pin which is used to output a 32kHz signal (unaffected by the reset
function).
NIPPON PRECISION CIRCUITS—5
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for CF5760BA electronic component. |
| Information | Total 7 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ CF5760BA.PDF Datasheet ] | |
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