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參數(shù)資料
| 型號： | UPD7759GC-3BH |
| 廠商： | NEC Corp. |
| 英文描述： | ADPCM SPEECH SYNTHESIZER LSIs |
| 中文描述： | 差分PcM語音合成器大規(guī)模集成電路 |
| 文件頁數(shù)： | 6/18頁 |
| 文件大?。?/td> | 183K |
| 代理商： | UPD7759GC-3BH |
μ
PD7759
6
V
IH1
0.7 V
DD
V
DD
V
V
IH2
2.2
V
DD
V
V
IL1
0
0.3 V
DD
V
V
IL2
0
0.8
V
2. ELECTRICAL SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS (Ta = 25
°
C)
Parameters
Symbol
Conditions
Ratings
Unit
Power supply voltage
V
DD
–0.3 to + 7.0
V
Input voltage
V
I
–0.3 to V
DD
+ 0.3
V
Output voltage
V
o
–0.3 to V
DD
+ 0.3
V
Storage temperature
T
stg
–40 to +125
°
C
Operating temperature
T
opt
–10 to +70
°
C
RECOMMENDED OPERATING CONDITIONS
Parameters
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Supply voltage
V
DD
2.7
5.5
V
Applied to I0 to I7, ST, CS,
RESET, MD, WR
High-level input voltage
Applied to ASD0 to ASD7,
V
DD
= 5 V
±
10 %
Applied to I0 to I7, ST, CS,
RESET, MD, WR
Low-level input voltage
Applied to ASD0 to ASD7,
V
DD
= 5 V
±
10 %
Clock frequency
f
OSC
630
640
650
kHz
Remark
AC timing test voltage
V
IL
= V
OL
= 0.3 V
DD
V
IH
= V
OH
= 0.7 V
DD
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