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參數(shù)資料
| 型號(hào)： | 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)： | 12/18頁 |
| 文件大?。?/td> | 183K |
| 代理商： | UPD7759GC-3BH |
μ
PD7759
12
DRQ output delay
t
MDR
μ
s
50
50000
2.2 SLAVE MODE
(1) TIMING REQUIREMENTS
Parameters
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
t
RM
from RESET
↑
200
μ
s
MD set up time
t
BM
from BUSY
↑
0
ns
t
MD
from MD
↑
6.2
μ
s
MD pulse width
t
MD2
6.2
μ
s
Speech data set up time
t
DW
for WR
↑
, 5 V
±
10 %
350
ns
Speech data hold time
t
WD
from WR
↑
, 5 V
±
10 %
0
ns
WR input stop time
t
WR
from DRQ
↓
31.7
μ
s
WR pulse width
t
CC
5 V
±
10 %
350
ns
CS set up time
t
CW
for WR
↓
0
ns
CS hold time
t
WC
from WR
↑
0
ns
(2) SWITCHING CHARACTERISTICS
Parameters
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
BUSY output delay
t
SBO
from MD
↓
9.5
μ
s
In operation mode, from MD
↓
50
70
In standby mode,
after RESET input, from MD
↓
DRQ output stop time
t
WRQ
from WR
↓
3
μ
s
#
#
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