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ASM2012C Datasheet(PDF) 7 Page - Aplus Intergrated Circuits

Part # ASM2012C
Description  VERY LOW-COST VOICE SYNTHESIZER WITH 4-BIT MICROPROCESSOR
PDF  7 Pages
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Manufacturer  APLUS [Aplus Intergrated Circuits]
Direct Link  http://www.aplusinc.com.tw
Logo APLUS - Aplus Intergrated Circuits

ASM2012C Datasheet(HTML) 7 Page - Aplus Intergrated Circuits

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Rev 1.0
6
1.5 DC Characteristics for ASM2012C
SYMBOL
PARAMETER
VDD MIN. TYP. MAX. UNIT
CONDITION
VDD
OPERATING
VOLTAGE
2.4
3
5
V
depending on Freq.
3
1
Isb
STANDBY
5
1
uA
4MHz, RM
in HALT Mode
3
2
Iop
SUPPLY
CURREN
T
OPERATING
5
7
mA
4MHz, RM
IO Floating
3
3
5
9
Iih
INPUT CURRENT
/Internal pull low
5
-5.2
uA
4MHz, RM
in HALT Mode
(IO Ports with
weak pull-high
pull-low)
3
-3
Ioh
OUTPUT HIGH
CURRENT
5
-8
3
7
Iol
OUTPUT LOW
CURRENT
5
20
mA
4MHz, RM
(IO ports)
dF/F
FREQUENCY
STABILITY
-10
10
%
Fosc(3v)-
Fosc(2.4v)
Fosc (3v)
dF/F
Fosc VARIATION
-20
20
%
VDD=3V,
Rosc=220k, 4MHz
FIGURE 1.3 : Frequency Range for Rosc in RM mode
Resistor(k ohm)
330
220
200
150
3v Freq.(MHz)
2.68
4.11
4.7
5.94
Rosc & Freq.
2.68
4.11
4.7
5.94
0
2
4
6
8
0
100
200
300
400
Rosc k ohm
ASM2012C



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