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DS2181AN

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P32
DS2181A
28 of 32
AC ELECTRICAL CHARACTERISTICS
1,2
SERIAL PORT
(0°C to 70°C; V
DD
= 5.0V ± 5%)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
SDI to SCLK Setup t
DC
50 ns
SCLK to SDI Hold t
CDH
50 ns
SCLK Low Time t
CL
244 ns
SCLK High Time t
CH
244 ns
SCLK Rise and Fall Time t
R,
t
F
100 ns
CS to SCLK Setup
t
CC
50 ns
SCLK to CS Hold
t
CCH
50 ns
CS Inactive Time
t
CWH
2.5 ns
SLK to SDO Valid t
CDV
200 ns
CS to SDO High Z
t
CDZ
75 ns
NOTES:
1. Measured at V
IH
=2.0 V; V
IL
=.8 V and 10 ns maximum rise and fall time.
2. Output load capacitance = 100 pF.
AC ELECTRICAL CHARACTERISTICS
1,2
– TRANSMIT
(0°C to 70°C; V
DD
= 5.0V ± 5%)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
TCLK Period t
P
488 ns
TCLK Pulse Width t
WL,
t
WH
244 ns
TCLK Raise & Fall Time t
W,
t
R
20 ns
TSER, TSD, TIND and TXD
Setup to TCLK Falling
t
STD
50 ns
TSER, TSD, TIND and TXD
Hold to TCLK Falling
t
HTD
50 ns
TFSYNC, TMSYNC Setup to
TCLK Falling
t
STS
75 ns
TFSYNC, TMSYNC Hold to
TCLK Falling
t
HTS
50 ns
Propagation Delay TCLK to
TCHCLK, TSTS, TMO, TAF
t
PTS
75 ns
NOTES:
1. Measured at V
IH
= 2.0V; V
IL
= .8V and 10 ns maximum rise and fall time.
2. Output load capacitance = 100 pF.
DS2181A
29 of 32
AC ELECTRICAL CHARACTERISTICS
1,2
– RECEIVE
(0°C to 70°C; V
DD
= 5.0V ± 5%)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Propagation Delay RCLK to
RMSYNC, RFSYNC, RSTS,
RCHCLK, RAF
t
PRS
75 ns
Propagation Delay RCLK to
RSER, RSD
t
PRD
75 ns
Transition Time All Outputs t
TTR
20 ns
RCLK Period t
P
488 ns
RCLK Pulse Width t
WL,
t
WH
244 ns
RCLK Rise and Fall Times t
R,
t
F
20 ns
RPOS, RNEG Setup to RCLK
Falling
t
SRD
50 ns
RPOS, RNEG Hold to RCLK
Falling
t
HRD
50 ns
Propagation Delay RCLK to
RLOS, RRA, RBA, RFER,
RDMA, RCL
t
PRA
75 ns
Minimum RST Pulse Width
t
RST
1µs
NOTES:
1. Measured at V
IH
= 2.0V; V
IL
= .8V and 10 ns maximum rise and fall times.
2. Output load capacitance = 100 pF.
CAPACITANCE (t
A
=25°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Input Capacitance C
IN
5pF
Output Capacitance C
OUT
7pF
DS2181A
30 of 32
TRANSMIT AC TIMING DIAGRAM Figure 30
RECEIVE AC TIMING DIAGRAM Figure 31
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P32

DS2181AN

Mfr. #:
Buy DS2181AN
Manufacturer:
Maxim Integrated
Description:
Telecom Interface ICs CEPT Primary Rate Transceiver
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
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