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YMF715E
May 21, 1997
-44-
Electrical Characteristics
Absolute Maximum Ratings
Note : V
DD
=DV
DD
=AV
DD
, V
SS
=DV
SS
=AV
SS
=0[V]
Recommended Operating Conditions
Note : DV
SS
=AV
SS
=0[V]
DC Characteristics 1
(DV
DD
= 5.0 0.25[V])
Item Symbol Minimum Maximum Unit
Power Supply Voltage (Analog/Digital) V
DD
V
SS
-0.5 V
SS
+7.0 V
Input Voltage V
IN
V
SS
-0.5 V
DD
+0.5 V
Output Voltage V
OUT
V
SS
-0.3 V
DD
+0.3 V
Input Current I
IN
-20 20 mA
Storage Temperature T
STG
-50 125
Item Symbol Min. Typ. Max. Unit
Power Supply 1 (Analog) AV
DD
4.75 5.00 5.25 V
5.0V Spec. (Digital) DV
DD
4.75 5.00 5.25 V
Power Supply 2 (Analog) AV
DD
4.75 5.00 5.25 V
3.3V Spec. (Digital) DV
DD
3.00 3.30 3.60 V
Operating Ambient Temperature T
OP
02570
Item Symbol Condition Min. Typ. Max. Unit
TTL-Input Pins
High Level Input Voltage 1
V
IH1
Except 2.0 V
Low Level Input Voltage 1
V
IL1
schmitt inputs 0.8 V
CMOS-Input Pins
High Level Input Voltage 2
V
IH2
0.7DV
DD
V
Low Level Input Voltage 2
V
IL2
0.2DV
DD
V
Schmitt Vt- (H to L) V
t
-0.81.5V
Schmitt Vt+ (L to H) V
t
+1.32.1V
Schmitt Hysteresis V
h1
*1 0.3 V
V
h2
*2 0.1 V
Input Leakage Current I
L
V
IN
=DV
SS
, DV
DD
-10 10 A
Input Capacitance C
I
10 pF
R
U1
RXD 20 50 100 k
Pull up Register R
U2
GP7 ~ 4 30 100 200 k
R
U3
Otherwise 50 200 400 k
TTL-Output Pins
High Level Output Voltage 1
V
OH1
2.4 V
Low Level Output Voltage 1
V
OL1
*3 0.4(0.5) V
TTL Output Current I
OHL1
D7 ~ 0 pins *3 16(24) mA
I
OHL2
IRQn, DRQn pins *3 8(12) mA
I
OHL3
TXD pin 4 mA
I
OHL4
MP9 ~ 0 pins 2 mA