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 C
G
and C
D
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
C
G
(pF)
Built-in
1
capacitance C (pF)
D
Alarm input/reset input level
Active level
Motor output
Needle period
t
C Y
(s)
Pulsewidth
t
P W
(ms)
Pins
Active level
Frequency
f
P W
(kHz)
Modulation
f
C Y
(Hz)
I
O H
min (
µ
A)
I
O L
min (
µ
A)
AO
HIGH
4
8
900
900
3
25
H I G H / L OW
LOW
1
23.4
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)
–
–
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
NPC [ NIPPON PRECISION CIRCUITS INC ]
