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CF5746ABA 반도체 회로 부품 판매점

CMOS Analog Clock IC



Nippon Precision Circuits Inc 로고
Nippon Precision Circuits Inc
CF5746ABA 데이터시트, 핀배열, 회로
NIPPON PRECISION CIRCUITS INC.
CF5746 Series
CMOS Analog Clock IC
OVERVIEW
The CF5746 Series devices are analog clock ICs that
derive their timing from a 32 kHz oscillator element.
They feature alarm outputs, snooze function and
alarm auto-stop function. They can be configured to
match a wide variety of clock specifications, alarm
functions and motor outputs.
FEATURES
s 32.768 kHz oscillator circuit
• Rf and Rd built-in
• Oscillator capacitance built-in
- CD = 30 pF (typ, excluding CF5746ADC)
- CD = 20 pF (typ, CF5746ADC)
s Alarm outputs
• Compatible with electronic sound alarms and
motor bells
• 4-step increasing volume alarm output
(CF5746AAB, ADC, AEA, AFA (AO1), AGA
(AO1))
s Snooze function
• Temporarily stops alarm output and then re-
starts after a fixed time
s Debouce circuit (AI/SNZ pin)
s Test functions
• Shortening snooze time and auto-stop time
• Increasing motor speed (excluding
CF5746BCA)
s Power-ON clear function
s 1.5 V supply voltage
s Chip form
SERIES CONFIGURATION
Built-in
XT pin CG (pF)
capacitance XT pin CG (pF)
Active level
Motor output Needle period tCY (s)
Pulsewidth tPW(ms)
Alarm active level
Pin type
SNZ interface
AI/SNZ input
SNZ time tSNZ (s)
Bounce delay (ms)
SNZ release
Pins
Active level
Frequency fPW (Hz)
Modulation fCY(Hz)
Step 1
Step 2
Duty (%)
Step 3
Alarm output
Step 4
Step 1
Step 2
Step time
(s) Step 3
Step 4
Pad layout
Other
IOH min (mA)
IOL min (mA)
Auto-stop tSTOP (s)
CF5746AAB
None
30
HIGH
1
23.4375
LOW
512 Hz
Yes
256
31.25
No
AO AO
HIGH LOW1
4096 4096
8+1 8+1
12.5 12.5
25 25
50 50
––
0 to 7 0 to 7
7 to 15 7 to 15
15 to 15 to
AS2 AS
CF5746ABA
None
30
HIGH
1
31.25
LOW
512 Hz
Yes
256
31.25
No
AO1 AO2
HIGH HIGH
DC DC
––
––
––
––
––
––
––
––
––––
0.8 0.8
0.8 0.8
128
A
0.8 0.8
0.8 0.8
128
A
CF5746BCA CF5746ADC CF5746AEA
None
None
None
30 20 30
HIGH
HIGH
0.125
1
1
50% duty
46.875
31.25
LOW HIGH LOW
512 Hz
512 Hz
512 Hz
Yes No Yes
256 256 256
31.25
31.25
31.25
No No No
AO1 AO2 AO AO AO AO
HIGH HIGH HIGH LOW1 HIGH LOW1
DC DC 2048 2048 2048 2048
– – 8+1 8+1 8+1 8+1
– – 6.26 6.26 6.26 6.26
– – 12.5 12.5 12.5 12.5
– – 25 25 50 50
– – 50 50 – –
– – 0 to 3 0 to 3 0 to 7 0 to 7
– – 3 to 7 3 to 7 7 to 15 7 to 15
7 to 31 7 to 31
15 to
AS
15 to
AS
31 to 31 to
AS AS
0.8 0.8 0.8 0.8 0.8 0.8
0.8 0.8 0.002 0.002 0.8 0.8
128 128 128
BAA
Power-ON clear, oscillator Rd and Rf built-in
C F 5 7 4 6 A FA
None
30
HIGH
1
46.875
LOW
Pull-up
Yes
256
31.25
Yes (2 s)
AO1 AO2
HIGH HIGH
2048 DC
8+1 –
12.5 –
25 –
50 –
––
0 to 7 –
7 to 15 –
15 to
AS
––
0.8 0.8
0.002 0.8
128
A
1. AO has the opposite polarity to AO only when output (same phase when non-active).
2. AS = auto-stop
C F 5 7 4 6 AG A
None
30
HIGH
1
31.25
LOW
Pull-up
Yes
256
31.25
Yes (2 s)
AO1 AO2
HIGH HIGH
2048 DC
8+1 –
6.26 –
12.5 –
50 –
––
0 to 7 –
7 to 15 –
15 to
AS
––
0.8 0.8
0.002 0.8
128
A
NIPPON PRECISION CIRCUITS—1


CF5746ABA 데이터시트, 핀배열, 회로
PAD DIMENSIONS
1
2
3
Y4
(0, 0)
5
X
BLOCK DIAGRAM
XT
CD
XT
AO(AO1)
AO(AO2)
CF5746 Series
10
9
8
7
6
Layout
No.
A (ex. BCA) B (BCA)
1 VDD
VSS
2 VSS
VDD
3 OUT1
AI/SNZ
4 AI/SNZ
AO1
5 TEST
AO2
6 OUT2
OUT1
7 AO (AO1) OUT2
8 AO (AO2) TEST
9 XT
XT
10 XT
XT
Chip size: 1.61 × 1.70 mm
Chip thickness: 400 ± 30 µm
Pad size: 100 × 100 µm
Chip surface is at VDD potential.
Dimensions (µm)
XY
166 1210
166 882
166 474
166 228
444 169
1444 169
1444 513
1444 1219
1444 1516
1192 1531
TEST VDD
VSS
4- Stage
Divider
11- Stage
Divider
Output
Control
AO Duty
Control
Alarm
Out
4- Stage
Divider
Snooze
Counter
Input
Control
OUT1
OUT2
AI/SNZ
NIPPON PRECISION CIRCUITS—2




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CF5746ABA cmos

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CF5746ABA

CMOS Analog Clock IC - Nippon Precision Circuits Inc