DS2148T+ Maxim Integrated Products, DS2148T+ Datasheet - Page 67

• Manufacturer Part Number: DS2148T+
• Description: IC LIU E1/T1/J1 5V 44-TQFP
• Manufacturer: Maxim Integrated Products
• Type: Line Interface Units (LIUs)r

Specifications of DS2148T+

• Number Of Drivers/receivers: 1/1
• Protocol: T1/E1/J1
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 10-3. 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
= 5.0V ±5%, T
PARAMETER
NOTE 1: OCES =1 AND ICES = 0.
NOTE 2: OCES = 0 AND ICES = 1.
SCLK
SCLK
SDO
CS*
SDI
1
2
A
= -40°C to +85°C.) (See
t
t
CSS
SSS
LSB
SYMBOL
t
t
t
t
t
t
t
t
t
t
t
CSH
CSS
SSH
SLH
SRF
LSC
SSV
SSH
SSS
HIGH Z
CM
SSH
t
SRF
MIN
200
250
MSB
50
50
50
50
67 of 73
Figure
t
SLH
LSB
LSB
10-8)
TYP
100
100
t
SSV
MAX
50
50
MSB
t
MSB
LSC
t
SSH
UNITS
t
CM
HIGH Z
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
CSH
NOTES