tc9490f TOSHIBA Semiconductor CORPORATION, tc9490f Datasheet - Page 7

• Manufacturer Part Number: tc9490f
• Description: Digital Servo Single-chip Processor For Use In Cd Player
• Manufacturer: TOSHIBA Semiconductor CORPORATION

AC Characteristics
/CCE
BUCK
BUSi
(input)
1. Microcontroller Interface Timing
/CCE = “H” pulse width
Data disable time
/CCE, BUCK delay time
BUCK, /CCE delay time
BUCK = “L” pulse width
BUCHK = “H” pulse width (1)
BUCHK = “H” pulse width (2)
BUCHK = “H” pulse width (3)
BUCHK = “H” pulse width (4)
Write data setup time
Write data hold time
Data disable time
Read data access time
Pin Group
(1)
1
2
3
4
5
6
7
8
tSZ2
Characteristics
tCB
Write command mode
SBOK, SFSY, SBSY, /HSO, /UHSO, ZDET
BCK, LRCK, AOUT, DOUT, IPF, CLCK, DATA
BUS3, BUS2, BUS1, BUS0
SEL, TMAX
PDO
RFGC, TEBC, FMO, DMO
FOO, TRO
/RST
tWS
CM
tWH
tBLW
CL
tBHW
Write mode
Symbol
tBHW
tBHW
tBHW
tBHW
tBLW
tBLW
tSZ1
tSZ2
tWS
tWH
tCC
tCB
tBC
tRD
Pin Name
DM
Circuit
Test
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
7
BUCK rise reference
/CCE fall reference
BUCK rise reference
Write, SRC mode
QDRC mode
Write, SRC mode
QDRC mode (normal speed)
QDRC mode (double speed)
QDRC mode (´4 speed)
BUCK rise reference
BUCK rise reference
BUCK fall reference
BUCK fall reference
DL
Test Condition
tBC
¾
tCC
3000
1500
120
120
240
120
800
Min
60
20
0
0
0
0
0
Typ.
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
TC9490F/FA
2001-09-03
Max
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
Unit
ns