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PDF ( 数据手册 , 数据表 ) CF5760

零件编号 CF5760
描述 CMOS Analog Clock IC
制造商 NPC
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CF5760 数据手册, 描述, 功能
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












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