IS22C040
BLOCK DIAGRAM
ISSI
®
OSC
OSCILLATOR
ADDRESS
SEQUENCER
CLOCK
GENERATOR
ADPCM
DECODER
CONTROL
LOGIC
POP NOISE
REDUCTION
LED
DRIVER
BUZZER
BUFFER
VOICE
EPROM
Vcc
GND
S1
S8
SBT
IRP
LED2
LED1
STP
D/A
C
OUT
V
OUT1
V
OUT2
Programmable Options
The IS22C040 provides different control functions for user
specified applications. They include:
• Non-sequential or Sequential Play-all
• Unholdable or Holdable trigger
• STOP or BUSY signal selection
• Automatic ramp-up/ramp-down or no ramp-up/ramp-down
Silence Compression
If a particular sound sequence includes periods of silence,
the IS22C040 will automatically compress the silence to
save memory space. This compression will not affect
playback of the sound sequence.
ABSOLUTE MAXIMUM RATINGS
(1)
Symbol
V
TERM
T
BIAS
T
STG
Parameter
Terminal Voltage with Respect to GND
Temperature Under Bias
Storage Temperature
Value
–0.5 to +7.0
–40 to +85
–55 to +125
Unit
V
°C
°C
Notes:
1. Stress greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the
device. This is a stress rating only and functional operation of the device at these or any other conditions above
those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect reliability.
OPERATING RANGE
Range
Ambient Temp.
0°C to +70°C
–40°C to +85°C
Vcc
3.0V to 6.0V
3.0V to 6.0V
Commercial
Industrial
2
Integrated Silicon Solution, Inc.
VP009-1C
10/01/98
ISSI [ INTEGRATED SILICON SOLUTION, INC ]
