w681310 Winbond Electronics Corp America, w681310 Datasheet - Page 16

• Manufacturer Part Number: w681310
• Description: 3v Single-channel Voiceband Codec
• Manufacturer: Winbond Electronics Corp America

SYMBOL
1/T
1/T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
BCKH
BCKL
FTRH
FTRS
FTFH
FTFS
BDTD
HID
FRRH
FRRS
FRFH
FRFS
DRS
DRH
FS
BCK
DESCRIPTION
FST, FSR Frequency
BCLKT, BCLKR Frequency
BCLKT, BCLKR HIGH Pulse Width
BCLKT, BCLKR LOW Pulse Width
BCLKT –1 Falling Edge to FST Rising Edge Hold
Time
FST Rising Edge to BCLKT 0 Falling edge Setup
Time
BCLKT 0 Falling Edge to FST Falling Edge Hold Time
FST Falling Edge to BCLKT 1 Falling Edge Setup
Time
BCLKT Rising Edge to Valid PCMT Delay Time
Delay Time from BCLKT 8 Falling Edge to PCMT
Output High Impedance
BCLKR –1 Falling Edge to FSR Rising Edge Hold
Time
FSR Rising Edge to BCLKR 0 Falling edge Setup
Time
BCLKR 0 Falling Edge to FSR Falling Edge Hold Time
FSR Falling Edge to BCLKR 1 Falling Edge Setup
Time
Valid PCMR to BCLKR Falling Edge Setup Time
PCMR Hold Time from BCLKR Falling Edge
Table 8.2 Short Frame Sync PCM Timing Parameters
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MIN
20
80
50
10
20
80
50
64
50
50
50
10
50
50
---
0
TYP
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
8
W681310
MAX
4800
60
60
---
---
---
---
---
---
---
---
---
---
---
---
---
UNIT
kHz
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns