H1137V01 EMMICRO [EM Microelectronic - MARIN SA], H1137V01 Datasheet

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H1137V01

Manufacturer Part Number
H1137V01
Description
CMOS circuit for Analog Quartz Watches
Manufacturer
EMMICRO [EM Microelectronic - MARIN SA]
Datasheet
1.H1137V01.pdf (6 pages)
Description
The H1137 is a low power 32kHz analog watch chip de-
signed to drive a stepping motor. Motor pulse width is
programmable from 0.9765 to 14.65 milliseconds in steps
of 0.9765 milliseconds. Motor pulse period is program-
mable from 2 x 1 to 2 x 60 seconds in steps of 1 second.
Motor pulse period is also programmable from 2 x 0.25 to
2 x 15.75 seconds in steps of 0.25 seconds. Input and
output capacitors are integrated on the chip. Their values
are metal mask selectable. The selection of width, period
and capacitance are metal options and do not require
additional bonds.
Application
Functional Diagram
Copyright © 2004, EM Microelectronic-Marin SA
V
V
N
P
Operating range of Trimmer Capacitance:
3pF ≤ C
Analog watches
C
TR
TR
≤ 30 pF
R
V
OSC
OSC
EM MICROELECTRONIC -
N
CMOS circuit for Analog Quartz Watches
IN
OUT
H1137
RESET
MOT
MOT
V
1
2
P
CROWN
RL
(Stepping Motor)
V
V
P
P
Fig. 1
1
Features
Pin Assignment
Pad
V
V
OSC
OSC
MOT
MOT
RESET
TEST
N
P
MARIN SA
IN
OUT
1
2
32Hz quartz oscillator
Operating voltage range – 1.2V to –1.8V
High oscillator stability
Integrated capacitors, mask selectable
Mask options for pad designation, motor period and
motor pulse width
Shorted motor coil between motor pulses
Fast motor test function
ESD protected terminals
512Hz output on TEST pad for quartz frequency
measurement
Fully debounced TEST input and RESET input
Function
Negative supply voltage
Positive supply voltage
Oscillator input
Oscillator output
Motor drive output 1
Motor drive output 2
Reset input
Test input/output
10
8
1
2
H1137
7
www.emmicroelectronic.com
6
3
Pad location
1
5
3
4
7
6
2 or 8
2 or 8 or 10
5
4
H1137
Fig. 2

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H1137V01 Summary of contents

Page 1

R EM MICROELECTRONIC - CMOS circuit for Analog Quartz Watches Description The H1137 is a low power 32kHz analog watch chip de- signed to drive a stepping motor. Motor pulse width is programmable from 0.9765 to 14.65 milliseconds in steps ...

Page 2

R Absolute Maximum Ratings Parameter Symbol Min. Typ. Supply voltage V -3.6 N Voltage applied to other terminals V –0.3 N Storage tem- T -55 STOR perature Stresses beyond these listed maximum ratings may cause permanent damage to the device. ...

Page 3

R Timing Waveforms Motor drive output in normal operation RESET MOT 1 MOT 2 TEST Motor drive output and reset RESET MOT 1 MOT 2 TEST Fast motor test mode, TEST = V TEST MOT 1 MOT 2 Copyright © ...

Page 4

R Block Diagram illa Pin Assignments Name Function V Negative supply voltage N ...

Page 5

... Oscillator input capacity 2pF IN C Oscillator output capac. 2.7pF OUT Possible versions Option list (supply voltage –1.55V) Motor Output Version Pulse Fast Period OSC Width Mode H1137V01 2x12 6.8 2x62.5 H1137V02 2x1 3.9 2x62.5 H1137V03 2x10 7.8 2x62.5 H1137V04 2x12 5.9 2x62.5 H1137V05 2x1 6.8 2x62.5 ...

Page 6

R Chip Information H1137 298 162 All dimensions in microns 1) nn stands for the version EM Microelectronic-Marin SA cannot assume responsibility for use of any circuitry described other than circuitry entirely ...

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