Speech Controller. SN67268 Datasheet

SN67268 Controller. Datasheet pdf. Equivalent

SN67268 Datasheet
Recommendation SN67268 Datasheet
Part SN67268
Description Speech Controller
Feature SN67268; SN67268 Speech Controller „ INTRODUCTION SN67268 is a 268 seconds single chip voice synthesizer IC .
Manufacture SONiX Technology Company
Datasheet
Download SN67268 Datasheet




SONiX Technology Company SN67268
SN67268
Speech Controller
„ INTRODUCTION
SN67268 is a 268 seconds single chip voice synthesizer IC which contains I/O
pins and a tiny controller. By programming through the tiny controller, user’s
applications including section combination, trigger modes, output status, and
other logic functions can then be easily implemented.
„ FEATURES
Š Single power supply 2.4V - 5.1V
Š Built in a tiny controller
Š 268 seconds voice capacity are provided
Š Two 4-bit I/O ports and two 4-bit outputs port are provided
Š 256*4 bits RAM are provided
Š Maximum 16k program ROM is provided
Š Readable ROM code data
Š Built in a high quality speech synthesizer
Š Adaptive playing speed from 2.5k-20kHz is provided
Š Fixed current D/A output is provided to drive external connected transistor
for sound output
Š Low Voltage Reset
1 December 20, 2000



SONiX Technology Company SN67268
SN67268
Speech Controller
„ PIN ASSIGNMENT
Symbol
P20
P21
P22
P23
P30
P31
P32
P33
P40
P41
P42
P43
P50
P51
P52
P53
VDD
OSC
TEST
RESET
GND
VO
I/O Function Description
I/O Bit0 of I/O port 2
I/O Bit1 of I/O port 2
I/O Bit2 of I/O port 2
I/O Bit3 of I/O port 2
I/O Bit0 of I/O port 3
I/O Bit1 of I/O port 3
I/O Bit2 of I/O port 3
I/O Bit3 of I/O port 3
O Bit0 of output port 4
O Bit1 of output port 4
O Bit2 of output port 4
O Bit3 of output port 4
O Bit0 of output port 5
O Bit1 of output port 5
O Bit2 of output port 5
O Bit3 of output port 5
I Positive power supply
I Oscillation component connection pin
I For testing only
I Reset pin
I Negative power supply
O D/A current output
2 December 20, 2000



SONiX Technology Company SN67268
SN67268
Speech Controller
„ ABSOLUTE MAXIMUM RATING
Items
Supply Voltage
Input Voltage
Operating Temperature
Storage Temperature
Symbol
VDD
VIN
TOP
TSTG
Min
-0.3
VSS-0.3
-20.0
-55.0
Max
6.0
VDD+0.3
70.0
125.0
Unit.
V
V
oC
oC
„ ELECTRICAL CHARACTERISTICS
Item
Operating Voltage
Standby Current
Operating Current
Input Current of P1
Drive Current of P2,P3
Sink Current of P2,P3
D/A Output Current
Oscillation Freq.
Sym. Min. Typ. Max. Unit Condition
VDD 2.4 3.0 5.1 V
ISBY
-
- 2.0 uA VDD=3V, no load
IOPR
-
- 250 uA VDD=3V, no load
Ii - 3 - uA VDD=3V
IOD 1.5 2
- mA VDD=3V,VO=2.4V
IOS 2.0 3
- mA VDD=3V,VO=0.4V
IVO 2.0 3.0 4.0 mA VDD=3V,VO=0.7V
FOSC
-
1.0
- MHz VDD=3V
3 December 20, 2000







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