DS21448L+ Maxim Integrated Products, DS21448L+ Datasheet - Page 53
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DS21448L+
Manufacturer Part Number
DS21448L+
Description
IC LIU QUAD E1/T1/J1 128-LQFP
Manufacturer
Maxim Integrated Products
Type
Line Interface Units (LIUs)r
Datasheet
1.DS21448L.pdf
(60 pages)
Specifications of DS21448L+
Number Of Drivers/receivers
4/4
Protocol
T1/E1/J1
Voltage - Supply
3.135 V ~ 3.465 V
Mounting Type
Surface Mount
Package / Case
128-TQFP, 128-VQFP
Product
Framer
Number Of Transceivers
4
Supply Voltage (max)
3.465 V
Supply Voltage (min)
3.135 V
Supply Current (max)
400 mA
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Table 10-C. AC Characteristics—Serial Port (BIS1 = 1, BIS0 = 0)
(V
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 Tri-State
CS Inactive to SDO Tri-State
Figure 10-8. Serial Bus Timing (BIS1 = 1, BIS0 = 0)
DD
= 3.3V ±5%, T
PARAMETER
SCLK
(Note 1)
SCLK
(Note 2)
SDO
NOTE 1: OCES =1 AND ICES = 0.
NOTE 2: OCES = 0 AND ICES = 1.
SDI
CS
A
= -40°C to +85°C.)
t
t
SSS
CSS
LSB
t
HIGH-Z
SSH
(Figure
SYMBOL
t
t
t
t
t
t
t
t
t
t
CSH
CSS
SSS
SSH
SLH
SRF
LSC
SSV
SST
CM
t
SRF
10-8)
MSB
t
SLH
53 of 60
CONDITIONS
LSB
LSB
t
SSV
MIN
200
250
50
50
50
50
MSB
t
MSB
LSC
t
SST
t
TYP
CM
100
100
HIGH-Z
t
CSH
MAX
50
50
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns