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| YMF721 Datasheet, PDF (23/41 Pages) LSI Computer Systems – FM + Wavetable Synthesizer LSI | |||
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YMF721
Electrical Characteristics
Absolute Maximum Ratings
Item
Symbol
Power Supply Voltage (Analog/Digital)
Input Voltage
Output Voltage
Input Current
Storage Temperature
VDD
VIN
VOUT
IIN
TSTG
Notes : VDD=DVDD=AVDD, VSS=DVSS=AVSS=0[V]
Recommended Operating Conditions
Minimum
VSS-0.5
VSS-0.5
VSS-0.3
-20
-50
Maximum Unit
VSS+7.0
V
VDD+0.5
V
VDD+0.3
V
20
mA
125
°C
Item
Symbol Min.
Operating voltage 1 (5.0V Spec. 5V/3V=âHâ)
VDD1
4.75
Operating voltage 2 (3.3V Spec. 5V/3V=âLâ)
VDD2
3.00
Operating Ambient Temperature
TOP
0
Notes : DVSS=AVSS=0[V]
DC Characteristics
Typ. Max. Unit
5.00 5.25 V
3.30 3.60 V
25
70 °C
Item
Symbol
Condition
Min.
TTL-Input Pins
High Level Input Voltage 1
Low Level Input Voltage 1
CMOS-Input Pins
VIH1 Except XI and 5V/3V pins 2.0
VIL1
High Level Input Voltage 1
Low Level Input Voltage 1
VIH2 Applicable to XI and 5V/3V 0.7VDD
VIL2
Input Leakage Current
IL VIN=VSS,VDD
-10
Input Capacitance
CI
/TEST, /TEST2
Pull up Register
RU1 /TEST3, /TESTA
50
/TESTB, /RESETSEL
High Level Output Voltage 1
Low Level Output Voltage 1
High Level Output Voltage 2
Low Level Output Voltage 2
Low Level Output Voltage 3
Low Level Output Voltage 4
VOH1
VOL1
VOH2
VOL2
VOL
VOL
IOH1 = -80mA (5V/3V=âLâ)
IOL1 = 2mA (*1)
IOH2 = -80mA (5V/3V=âHâ)
IOL2 = 2mA (*1)
IOL1 = 4mA (5V/3V=âLâ)
IOL2 = 2mA (*2)
IOL1 = 12mA (5V/3V=âHâ)
IOL2 = 2mA (*2)
2.4
VDD-1.0
Output Capacitance
CO
Notes : VSS=0[V], TOP=0~70°C, VDD=5.0±0.25[V]
*1) Applicable to output pins except XO and /ARDY.
*2) Applicable to /ARDY pin.
Typ.
Max. Unit
V
0.8 V
V
0.2VDD V
10 mA
10 pF
400 kW
V
0.4 V
V
VSS+0.4 V
0.4 V
0.4 V
10 pF
- 23 -
July 10, 1997
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