UPD7759C NEC [NEC], UPD7759C Datasheet - Page 7

• Manufacturer Part Number: UPD7759C
• Description: ADPCM SPEECH SYNTHESIZER LSIs
• Manufacturer: NEC [NEC]

DC CHARACTERISTICS (Ta = –10 to +70 C, V
High-level output voltage
Low-level output voltage
Input leak current
Output leak current
Supply current
Reference input current
D/A converter output current
D/A converter output leak current
Note Measuring circuit
Parameters
Note
R
REF
V
DD
I
REF
Symbol
| I
| I
| I
V
I
V
I
I
AVO
REF
LO
DD
LD
OH
OL
LI
REF
|
|
|
I
V
I
to ASD7, MD
BUSY, A0 to A8
(Stand alone, slave mode)
V
(Standby mode)
V
(Stand alone, slave mode)
2.7 V
(Standby mode)
2.7 V
V
V
V
V
2.7 V
V
0 V
in the standby mode
OH
0
DD
DD
DD
DD
DD
DD
DD
AVO
to I
= –100 A
= 5 V
= 5 V
= 5 V
= 2.7 V, R
= 5.5 V, R
= 2.7 V, R
= 5.5 V, R
<
=
= 2.0 V, D/A input: 1 FFH
7
< =
< =
AVO
, ST, CS, WR, ASD0
<
=
V
DD
AVO
V
V
V
DD
DD
DD
= 2.7 to 5.5 V, f
< =
10 %, I
Conditions
< =
<
=
< =
REF
REF
REF
REF
V
3.5 V
3.5 V
5.5 V
I
DD
AVO
= 0
= 0
= 50 k
= 50 k
OL
= 1.6 mA
OSC
= 640 kHz)
32 I
MIN.
140
500
21
68
REF
V
34 I
DD
TYP.
250
760
30
78
–0.5
REF
36 I
MAX.
1200
440
0.4
10
20
10
39
88
3
3
1
5
REF
PD7759
Unit
mA
mA
V
V
A
A
A
A
A
A
A
A
A
A
7