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參數(shù)資料
| 型號(hào)： | IN91531N |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | PARALLEL INPUT TONE/PULSE DIALER HIGH-PERFORMANCE SILICON-GATE CMOS |
| 中文描述： | 并行輸入音頻/脈沖撥號(hào)高性能硅柵CMOS |
| 文件頁(yè)數(shù)： | 1/3頁(yè) |
| 文件大?。?/td> | 39K |
| 代理商： | IN91531N |
IL91531
Korzhenevskogo 12, Minsk, 220064, Republic of
Belarus
Fax: +375 (17) 278 28 22,
Phone: +375 (17) 278 07 11, 277 24 70, 277 24 61,
277 69 16
E-mail: belms@belms.belpak.minsk.by
URL: www.bms.by
PARALLEL INPUT TONE/PULSE DIALER
H
IGH
-P
ERFORMANCE
S
ILICON
-G
ATE
CMOS
The IN91531N provides a 4-bit data input and a handshaking signal to serve as
microcomputer interfaces. Under microcomputer control the IN91531N generates both a
DTMF signal and a pulse output for telephone dialing.
All necessary dual-tone frequencies and dial pulse
outputs are derived from the widely used TV crystal
standard, providing high accuracy and stability. The
required sinusoidal waveform for individual tones is
digitally synthesized on the chip, resulting in a
waveform with very low total harmonic distortion.
4-bit parallel data input from microcomputer
TTL compatible inputs and outputs
Uses TV crystal standard (3.58 MHz) to derive all
frequencies, providing high accuracy and stability
Operating voltage: 2.5 to 5.5 Volts
Selectable M/B ratio
10 PPS dial rate
DTMF signaling of digits 0 9, *, #, A, B, C, and D
Pulse signaling of 0
～
9, *, #, and A
High group tone pre-emphasis: 2 dB
Low total harmonic distortion in DTMF
signaling
VCC
2.5 - 10k
T
3.58MHz
0.1mk
2.2k
16
10
11
12
15
14
09
OSCO
OSCI
TONE
ACK
DP
LATCH
CE
D3
D2
D1
D0
GND
VCC
02
13
08
07
06
05
T/P
M/B
MODE
04
03
01
ORDERING INFORMATION
IN91531N
T
A
= -10
°
to 70
°
C
PIN ASSIGNMENT
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