DS21348

Manufacturer Part NumberDS21348
Description3.3V E1/T1/J1 Line Interface
ManufacturerDallas Semiconducotr
DS21348 datasheet
 


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AC CHARACTERISTICS—SERIAL PORT
(BIS1 = 1, BIS0 = 0)
PARAMETER
Setup Time CS* to SCLK
Setup Time SDI to SCLK
Hold Time SCLK to SDI
SCLK High/Low Time
SCLK Rise/Fall Time
SCLK to CS* Inactive
CS* Inactive Time
SCLK to SDO Valid
SCLK to SDO 3-State
CS* Inactive to SDO 3-State
See
SERIAL BUS TIMING (BIS1 = 1, BIS0 = 0) Figure 12-8
CS*
t
CSS
SCLK
1
SCLK
2
t
SSS
SDI
LSB
SDO
NOTES:
1) OCES =1 and ICES = 0.
OCES = 0 and ICES = 1.
2)
SYMBOL
MIN
t
50
CSS
t
50
SSS
t
50
SSH
t
200
SLH
t
SRF
t
50
LSC
t
250
CM
t
SSV
t
SSH
t
CSH
t
t
SRF
SLH
t
SSH
MSB
LSB
HIGH Z
LSB
67 of 73
= 3.3V ± 5%)
(-40°C to +85°C; V
DD
TYP
MAX
UNITS
ns
ns
ns
ns
50
ns
ns
ns
50
ns
100
ns
100
ns
t
CM
t
LSC
t
CSH
MSB
t
t
SSV
SSH
MSB
HIGH Z
NOTES