參數(shù)資料
型號: SM1126
廠商: Seiko NPC Corporation
英文描述: 2.5mm Pitch DIL Vertical PC Tail Male Hot Shoe Connector, gold, 6+6-way
中文描述: 旋律集成電路內(nèi)置的SRAM
文件頁數(shù): 1/18頁
文件大?。?/td> 125K
代理商: SM1126
SM1126 Series
NIPPON PRECISION CIRCUITS—1
NIPPON PRECISION CIRCUITS INC.
Melody IC with Built-in SRAM
OVERVIEW
The SM1126 Series are melody ICs for use in mobile
telecommunications equipment. A maximum of 15
melodies can be stored in programmable ROM and
one in built-in read/write SRAM.
FEATURES
I
2.0 to 3.6 V supply voltage
Maximum of 16 melody selections (15 in ROM +
1 in SRAM)
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).
Selectable clock frequencies (fixed for all melo-
dies)
External clock input versions (6 frequencies)
- 32.768 kHz system: 32.768, 65.536 and
131.072 kHz
- 38.4 kHz system: 38.4, 76.8 and 153.6 kHz
Built-in RC oscillator versions (1 frequency)
- 131.072 kHz
2-pin serial data melody selection and 1-pin mel-
ody playback control
Parity check function
Delivery pattern alarm
Power save function
External clock input versions
Clock gating in non-play modes
Built-in RC oscillator versions
Oscillator stopped in non-play modes
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ORDERING INFORMATION
PINOUT
(Top View)
8-pin VSOP
PACKAGE DIMENSIONS
(Unit: mm)
Device
Package
SM1126
××
V
8-pin VSOP
OSC
SIO
SC
ST
VSS
VDD
MTO
TEST
1
4
5
6
1126
××
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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