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參數(shù)資料
| 型號(hào)： | SM1125 |
| 廠商： | Seiko NPC Corporation |
| 英文描述： | Multimelody IC for Pagers |
| 中文描述： | Multimelody集成電路尋呼機(jī) |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大小： | 96K |
| 代理商： | SM1125 |
SM1125 series
NIPPON PRECISION CIRCUITS—1
NIPPON PRECISION CIRCUITS INC.
Multimelody IC for Pagers
OVERVIEW
The SM1125 series are melody ICs fabricated in
NPC’s Molybdenum-gate CMOS for use in mobile
telecommunications equipment. A maximum of 16
melodies can be stored in programmable ROM.
FEATURES
I
Maximum of 16 melody selections (with up to 512
steps)
Level hold playback mode
External reference clock input versions and built-
in RC oscillator versions available, set by master-
slice option (RC oscillator versions require an
external resistor and capacitor).
12 selectable clock frequencies (fixed for all melo-
dies)
External clock input versions (12 frequencies)
- 32.768 kHz system: 32.768, 65.536 and
131.072 kHz
- 37.5 kHz system: 37.5, 75.0 and 150.0 kHz
- 38.4 kHz system: 38.4, 76.8 and 153.6 kHz
- 48.0 kHz system: 48.0, 96.0 and 192.0 kHz
Built-in oscillator versions (4 frequencies)
- 38.4 kHz (standard oscillator frequency)
- 32.768 kHz
- 37.5 kHz
- 48.0 kHz
2-pin serial data melody selection and 1-pin mel-
ody playback control
Power save function
External clock input versions
Clock gating in no-play modes
Built-in RC oscillator versions
Oscillator stopped in no-play modes
8-pin plastic VSOP package
Molybdenum-gate CMOS process
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I
I
I
I
I
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ORDERING INFORMATION
PINOUT
(Top View)
8-pin VSOP
PACKAGE DIMENSIONS
Unit: mm
DEVICE
PACKAGE
SM1125
××
V
1
1.
××
is version name.
8pin VSOP
OSC
SI
SC
ST
VSS
VDD
MTO
TEST
1
4
5
6
1125
××
2
3
7
8
4
6
3.1 0.3
0.65
0.22 0.1
1
0
0.575 TYP
0.15
+
0.1
0.12
+
M
0.10
0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SM1125_06 | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:Multimelody IC for Pagers |
| SM1125ABV | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:SEIKO NPC (精工)型號(hào)列表(2012.3). |
| SM1125XXV | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:Multimelody IC for Pagers |
| SM1126 | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:Melody IC with Built-in SRAM |
| SM113.SA | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:General Purpose Tweezers |
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