TCM320AC46 Datasheet, PDF (14/19 Pages) Texas Instruments – GEBERAL-PURPOSE AUDIO INTERFACE FOR DSP

TCM320AC46
ą
GENERALĆPURPOSE AUDIO INTERFACE FOR DSP
ą
SLWS001 − D4091, JUNE 1993
receive timing requirements over recommended ranges of supply voltage and operating free-air
temperature, variable-data-rate mode (see Figure 4)
tsu(FSR)
th(FSR)
tsu(DIN)
th(DIN)
Setup time, FSR
Hold time, FSR
Setup time, DIN
Hold time, DIN
MIN
MAX
40
35 tc(DCLKR)−35
30
30
UNIT
ns
ns
ns
ns
propagation delay times over recommended ranges of operating conditions, fixed-data-rate mode,
C_L = 0 to 10 pF (see Figures 2 and 3)
TEST CONDITIONS
MIN MAX UNIT
tpd1 From CLK bIt 1 high to DOUT bit 1 valid
tpd2 From CLK high to DOUT valid, bits 2 to n
tpd3 From CLK bit n low to DOUT bit n Hi-Z
tpd4 From CLK bit 1 high to TSX active (low)
tpd5 From CLK bit n low to FSX inactive (high)
Rpullup = 1.24 kΩ
Rpullup = 1.24 kΩ
35 ns
35 ns
30
ns
40 ns
30
ns
propagation delay times over recommended ranges of operating conditions, variable-data-rate mode (see
Figures 4 and 5)
tpd6
FSX high to DOUT bit 1 valid
tpd7
DCLKX high to DOUT valid, bits 2 to n
tpd8
FSX low to DOUT bit n Hi-Z
TEST CONDITIONS
CL = 0 to 10 pF
CL = 0 to 10 pF
MIN MAX UNIT
30 ns
40 ns
20
ns
14
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
• POST OFFICE BOX 1443 HOUSTON, TEXAS 77001