SM1125ABV Datasheet, PDF (1/9 Pages) Nippon Precision Circuits Inc – Multimelody IC for Pagers

SM1125ABV
Multimelody IC for Pagers
OVERVIEW
The SM1125ABV is melody IC fabricated in NPC’s Molybdenum-gate CMOS for use in mobile telecommuni-
cations equipment.
FEATURES
PINOUT
I 12 melodies selectable
(Top view)
I Level hold playback mode
I Built-in oscillator circuit
• Oscillator frequency: 38.4kHz
I 2-pin serial data melody selection and 1-pin melody
playback control
I Power save function
• Oscillator stopped in no-play modes
OSC
1
SI
2
SC
3
ST
4
I Molybdenum-gate CMOS process
I 8-pin plastic VSOP package
8
VSS
7
VDD
6
MTO
5
TEST
ORDERING INFORMATION
PACKAGE DIMENSIONS
(Unit: mm)
Device
Package
SM1125ABV
8-pin VSOP
0.575 TYP
3.1 ± 0.3
+ 0.1
0.15 _{− 0.05}
0.65
0.10
0.22 ± 0.1
+ 0.12 M
SEIKO NPC CORPORATION —1