NTE2060 & NTE2061
Integrated Circuit
PMOS LSI Alarm Clock Circuit
Applications:
D Alarm Clock
D Clock Radio
D Timer for Home Appliances
D Display of Elapsed Time
Functions:
D Real Time Display
D Alarm With Snooze Function
D Sleep Timer (59 Minutes Max)
Features:
D Single Chip P–Channel ED MOS LSI
D Direct Drive Capable:
LED (5mA or More, Red LED)
Fluorescent Display Tube (Light–Up Voltage 16V or Less)
D Wide Operating Voltage Range: –8V to –16V
D Capable of 50Hz or 60Hz Reference Frequency
D Two Selections of Display Mode:
AM/PM 12–Hour
24–Hour
D 24–Hour Alarm Function
D Repeatable Snooze Function
D Presettable 59–Minute Down Counter (Sleep Timer)
D SNOOZE Pin can be used to Set the Sleep Timer with One Touch
D Clock Input Noise Eliminator
D Power Failure Indicating Function (All Digits Flashing):
12H Display Mode → AM or OUTPUT of LSI
24H Display Mode → AM, PM or b & c OUTPUT of LSI
Absolute Maximum Ratings: (TA = +25°C, VSS = 0V unless otherwise specified)
Maximum Supply Voltage, VDDmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –18 to +0.3V
Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VDD –0.3 to +0.3V
Output Voltage (Output Pin OFF), V OUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VDD –0.3 to +0.3V
Allowable Power Dissipation (TA = +70°C), PDmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 900mW
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30° to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +125°C
Recommended Operating Conditions: (TA = +25°C, VSS = 0V unless otherwise specified)
Parameter
Symbol Min
Typ
Max
Unit
Supply Voltage
VDD
–16
–12
–8
V
Input “H” Level Voltage
VIH
–1
–
0
V
Input “L” Level Voltage
VIL
VDD
–
VDD +2
V
Electrical Characteristics: (TA = +25°C, VSS = 0V, VDD = 12V ±2V unless otherwise specified)
Parameter
Symbol
Output “H” Level Current
ALARM OUT, SLEEP OUT
Test Conditions
Min
Typ
Max
Unit
IOH (1)
VOH = VSS – 2V
0.5
–
–
mA
b & c, a & d
IOH (2)
VOH = VSS – 2.5V
10
–
–
mA
1Hz
IOH (3)
VOH = VSS – 2.5V
13
–
–
mA
All Other Outputs
IOH (4)
VOH = VSS – 2.5V
5
–
Note 1
mA
IOL (1)
VOL = VDD
–
–
5
µA
IOL (2)
VOL = VDD + 1.8V
–
–
50
µA
VDD = –12V
–
3
–
mA
Output Leakage Current
ALARM OUT, SLEEP OUT
All Other Outputs
Current Dissipation
IDD
Note 1. 11mA Max is allowed in the range where the power dissipation is 900mW and 1.2W at
TA = +70°C and +25°C respectively.
Function Table A:
Alarm Display Input
Seconds Display Input
Sleep Display Input
Display Mode
L
L
L
Real Time Display
H
L
L
Alarm Display
L
H
L
Seconds Display
H
H
L
Alarm Display
L
L
H
Sleep Display
H
L
H
Sleep Display
L
H
H
Sleep Display
H
H
H
Sleep Display
Note 2. “H”:
“L”:
Input Pin ––– VSS Level
Input Pin ––– VDD Level (or Open)
Function Table B:
Display
Mode
Real Time
Display
Alarm
Display
Seconds
Display
Sleep
Display
Time Setting
Input Pin
Function
FAST
Minutes contents advance at a 60Hz (Note 3) rate.
SLOW
Minutes contents advance at a 2Hz rate.
BOTH
Minutes contents advance at a 60Hz (Note 3) rate.
FAST
Minutes contents advance at a 60Hz (Note 3) rate.
SLOW
Minutes contents advance at a 2Hz rate.
BOTH
AM 12:00 is set when in the 12–hour display mode.
0:00 is set when in the 24–hour display mode.
FAST
00 seconds is set. No carry to minutes is generated.
SLOW
Seconds counting is stopped (Held).
BOTH
(When in the 12–hour display mode) the real time counter is set to AM 12:00.
(When in the 24–hour display mode) the real time counter is set to 0:00.
FAST
Minutes contents advance at a 60Hz (Note 3) rate.
SLOW
Minutes contents advance at a 2Hz rate.
BOTH
Minutes contents advance at a 60Hz (Note 3) rate.
Note 3. For 50Hz use, 50Hz shall apply.
Note 4. Both means that 2 input pins of FAST and SLOW are set to “H”.
Pin Connection Diagram
AM Output
1
40 PM Output
10 Hrs b & c
2
39 Colon (1HZ)
Hrs f
3
38 12/24 Hr Select
Hrs g
4
37 N.C./Blanking Input*
Hrs a
5
36 50/60 HZ Select
Hrs b
6
35 50/60 HZ Input
Hrs d
7
34 Fast Set Input
Hrs c
8
33 Slow Set Input
Hrs e
9
32 Second Display Input
10 Mins f 10
31 Alarm Display Input
10 Mins g 11
30 Sleep Display Input
10 Mins–a & d 12
29 VDD
10 Mins b 13
28 VSS
10Mins e 14
27 Sleep Output
10 Mins c 15
26 Alarm Off Input
Mins f 16
25 Alarm Output
Mins g 17
24 Snooze Input
Mins a 18
23 Output Common Source
Mins b 19
22 Mins–c
Mins e 20
21 Mins–d
Note: N.C. pin must not be used for external connection such as a relay point.
Pin 37 is Blanking Input on the NTE2061
40
21
1
20
.550 (13.9)
Max
2.055 (52.2)
.155 (3.9)
.100 (2.54)
.019 (0.5)
.137
(3.5)
.650 (16.5)