w681512 Winbond Electronics Corp America, w681512 Datasheet - Page 19
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w681512
Manufacturer Part Number
w681512
Description
Single-channel Voiceband Codec
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W681512.pdf
(38 pages)
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SYMBOL
1/T
T
T
T
T
T
T
T
T
MCKH
MCK
MCKH
MCKL
FTRHM
FTRSM
RISE
FALL
MCK
/
DESCRIPTION
Master Clock Frequency
MCLK Duty Cycle for 256 kHz
Operation
Minimum Pulse Width HIGH for
MCLK(512 kHz or Higher)
Minimum Pulse Width LOW for MCLK
(512 kHz or Higher)
MCLK falling Edge to FST Rising Edge
Hold Time
FST Rising Edge to MCLK Falling edge
Setup Time
Rise Time for All Digital Signals
Fall Time for All Digital Signals
Table 8.5 General PCM Timing Parameters
- 19 -
MIN
45%
50
50
50
50
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---
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Publication Release Date: April, 2007
TYP
1536
1544
2048
2560
4096
256
512
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---
---
---
---
---
MAX
55%
W681512
50
50
---
---
---
---
---
Revision C14
UNIT
kHz
ns
ns
ns
ns
ns
ns