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PDF CF5760 Data sheet ( Hoja de datos )
| Número de pieza | CF5760 | |
| Descripción | CMOS Analog Clock IC | |
| Fabricantes | NPC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CF5760 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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CF5760 series
CMOS Analog Clock IC
OVERVIEW
The CF5760 series 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. Vari-
ous 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
(Unit: mm)
(760, 1210)
VDD 1
9
AI/R
O1
O2
(0,0)
2
3
4
HA5760
8
7
6
5
XT
XTN
AON
AO
VSS
Chip size: 0.76 × 1.21 mm
Chip thickness: 300 ± 30 µm
Pad size: 100 × 100 µm
Reverse side: VDD level
SERIES CONFIGURATION
CF5760AA CF5760BA CF5760CC CF5760DA CF5760EA CF5760FC CF5760GB CF5760HA CF5760JA
Built-in
CG [pF]
capacitance1 CD [pF]
Alarm input/reset input level
3
25
HIGH/LOW
3
25
HIGH/LOW
3
33
LOW/HIGH
3
25
LOW/HIGH
3
25
–/LOW
3
33
LOW/HIGH
27
26
LOW/HIGH
3
25
LOW/HIGH
3
25
LOW/HIGH
Active level
LOW
LOW
HIGH
LOW
–
–
HIGH
HIGH
–
Motor output
Needle period
tCY [s]
Pulsewidth
tPW [ms]
Pins
1
23.4
AO AON
1
23.4
AO AON
1
31.25
AO AON
1
27.3
AO AON
1
1000
AO AON
0.0625
62.5
AO AON
1
31.25
AO AON
1
46.875
AO AON
0.0625
62.5
AO AON
Active level HIGH LOW HIGH F HIGH LOW HIGH F
–
(32kHz)
(32kHz)
– HIGH LOW HIGH LOW HIGH LOW HIGH F
(32kHz)
Frequency
Alarm output fPW [kHz]
4 4 DC – 2 2 DC – – – 2 2 2 2 2 2 DC –
Modulation
fCY [Hz]
8
8
–
– 8+1 8+1 –
–
– – 8+1 8+1 8+1 8+1 8+1 8+1 –
–
IOH min [µA] 900 900 900 10 900 900 900 10 – – 900 900 900 900 900 900 900 10
IOL min [µA] 900 900 10 10 900 900 10 10 – – 900 900 10 10 900 900 10 10
1. Built-in capacitance includes the parasitic capacitance.
ORDERING INFORMATION
Device
CF5760××
Package
Chip form
SEIKO NPC CORPORATION —1
1 page  
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)
AO
(Active High)
AON *1
(Active Low)
tON
fCY (Hz)
fPW(Hz)
*1: Opposite phase to AO.
fPW = alarm fundamental frequency
fCY = 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).
SEIKO NPC CORPORATION —5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet CF5760.PDF ] | |
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