NTE1693
Integrated Circuit
Telephone Pulse Dialer (CMOS)
Description:
The NTE1693 is a CMOS LSI pulse dialer in a 16鈥揕ead DIP type package with redial which integrates
a ceramic resonator as a frequency reference.
Features:
D
Make Ratio: 33/39% Pin鈥揝electable.
D
Pulse Output: 鈥?鈥?True
D
Mute Output: 鈥?鈥?True
D
17鈥揇igit Redial with either * or # Input
D
Uses a Ceramic Oscillator as a Frequency Reference
D
Direct Telephone Line Operation
D
Uses either a Standard 2鈥搊f鈥? Matrix Keyboard or a Single Contact Keyboard
D
Mute Signal Generated on Pulse Signal
Absolute Maximum Ratings:
Supply Voltage (Note 1), V
DD
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?.3 to +6.2V
Maximum Pin Voltage
V
IN1
(Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?.3V
V
IN2
(Note 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +0.3V
Maximum Power Dissipation (T
A
= +25擄C), P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW
Operating Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0擄 to +60擄C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5擄 to +150擄C
Note 1. Referenced to GND
Note 2. The maximum applicable voltage or any pin with respect to GND
Note 3. The maximum applicable voltage on any pin with respect to V
DD
Recommended Operating Conditions:
Supply Voltage, V
DD
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5 to 6.0V
1
2
3
