UPD7759C NEC [NEC], UPD7759C Datasheet - Page 12

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

12
2.2 SLAVE MODE
(1) TIMING REQUIREMENTS
(2) SWITCHING CHARACTERISTICS
MD set up time
MD pulse width
Speech data set up time
Speech data hold time
WR input stop time
WR pulse width
CS set up time
CS hold time
BUSY output delay
DRQ output delay
DRQ output stop time
Parameters
Parameters
Symbol
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
MDR
WRQ
MD2
SBO
RM
BM
MD
DW
WD
WR
CW
WC
CC
from RESET
from BUSY
from MD
for WR , 5 V
from WR , 5 V
from DRQ
5 V
for WR
from WR
from MD
In operation mode, from MD
In standby mode,
after RESET input, from MD
from WR
10 %
Conditions
Conditions
10 %
10 %
MIN.
MIN.
200
350
350
6.2
6.2
50
50
0
0
0
0
TYP.
TYP.
50000
MAX.
MAX.
31.7
9.5
70
3
Unit
Unit
PD7759
ns
ns
ns
ns
ns
ns
s
s
s
s
s
s
s