參數(shù)資料
型號(hào): UPD7759
廠商: NEC Corp.
英文描述: ADPCM SPEECH SYNTHESIZER LSIs
中文描述: 差分PcM語(yǔ)音合成器大規(guī)模集成電路
文件頁(yè)數(shù): 12/18頁(yè)
文件大?。?/td> 183K
代理商: UPD7759
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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