TC9446FG Datasheet, PDF (33/41 Pages) Toshiba Semiconductor – Audio Digital Processor for Decode of Dolby Digital (AC-3), MPEG2 Audio

Characteristics
Symbol
Test
Circuit
Test Condition
TC9446FG
Min Typ. Max Unit
AC Characteristics (1) Timing
Clock Input Terminals (XI)
Clock frequency
Clock duty
f_XI
f_DTY
⎯
DLL oscillation circuit (4^th
times)
⎯
⎯
⎯
⎯
30 MHz
40
50
60
%
Clock Input Terminals (CKI)
Clock frequency
f_CI
Clock “H” duration
t_CIH
Clock “L” duration
t_CIL
⎯ 384 fs, fs = 96 kHz
⎯
⎯
⎯
⎯
⎯
⎯
37 MHz
13
⎯
⎯
ns
13
⎯
⎯
ns
Clock Input Terminals (SCKI)
Clock frequency
f_SI
Clock “H” duration
t_SIH
Clock “L” duration
t_SIL
⎯ 75 MIPS operating
⎯
⎯
⎯
⎯
⎯
⎯ 150 MHz
3.3
⎯
⎯
ns
3.3
⎯
⎯
ns
Reset Terminal ( _RST )
Stand-by time
Reset pulse width
t_RRS
⎯
⎯
10
⎯
⎯
ms
t_WRS
⎯
⎯
10
⎯
⎯
µs
Audio Serial Interface
(LRCKA to B, BCKA to B, LRCKOA to B, BCKOA to B, SDI0 to 1, SDO0 to 3)
LRCK setup time
LRCK hold time
SDI setup time
SDI hold time
BCK clock cycle
BCK clock “H” duration
BCK clock “L” duration
SDO output delay time-1
SDO output delay time-2
LRCK output delay time
t_LBS
t_LBH
t_SDI
t_HDI
t_BCK
t_BCH
t_BCL
t_DO1
t_DO2
t_DCLR
⎯ C_L = 30 pF, fs = 96 kHz
⎯ C_L = 30 pF, fs = 96 kHz
⎯ C_L = 30 pF, fs = 96 kHz
⎯ C_L = 30 pF, fs = 96 kHz
⎯ C_L = 30 pF, fs = 96 kHz
⎯ C_L = 30 pF, fs = 96 kHz
⎯ C_L = 30 pF, fs = 96 kHz
⎯ C_L = 30 pF, fs = 96 kHz
⎯ C_L = 30 pF, fs = 96 kHz
⎯ C_L = 30 pF, fs = 96 kHz
20
⎯
⎯
ns
−60
⎯
60
ns
20
⎯
⎯
ns
20
⎯
⎯
ns
160
⎯
⎯
ns
80
⎯
⎯
ns
80
⎯
⎯
ns
⎯
⎯
10
ns
⎯
⎯
10
ns
⎯
⎯
10
ns
33
2005-09-28