DS2148T+ Maxim Integrated Products, DS2148T+ Datasheet - Page 69

• 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 10-5. AC Characteristics—Transmit Side
(V
TCLK Period
TCLK Pulse Width
TPOS/TNEG Setup to TCLK
Falling or Rising
TPOS/TNEG Hold From TCLK
Falling or Rising
TCLK Rise and Fall Times
NOTES:
1) E1 Mode.
2) T1 or J1 Mode.
Figure 10-10. Transmit Side Timing
DD
= 5.0V ±5%, T
PARAMETER
NOTE 1: TCES = 0 (CCR2.1) OR CES = 0.
NOTE 2: TCES = 1 (CCR2.1) OR CES = 1.
TPOS, TNEG
TCLK
TCLK
1
2
A
= -40°C to +85°C.) (See
t
R
SYMBOL
F t
t
t
R
t
t
t
t
HD
CH
CP
CL
SU
, t
F
69 of 73
Figure
MIN
75
75
20
20
t SU
10-10.)
t HD
TYP
488
648
t
CL
t
CP
MAX
25
t
CH
UNITS
ns
ns
ns
ns
ns
ns
ns
NOTES
1
2