DS21448 Maxim Integrated Products, DS21448 Datasheet - Page 55

• Manufacturer Part Number: DS21448
• Description: IC LIU QUAD E1/T1/J1 144-BGA
• Manufacturer: Maxim Integrated Products
• Type: Line Interface Units (LIUs)r

Specifications of DS21448

• Number Of Drivers/receivers: 4/4
• Protocol: T1/E1/J1
• Voltage - Supply: 3.135 V ~ 3.465 V
• Mounting Type: Surface Mount
• Package / Case: 144-BGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Table 10-E. 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
Note 5: E1 mode.
Note 6: T1 or J1 mode.
Figure 10-10. Transmit-Side Timing
DD
= 3.3V ±5%, T
PARAMETER
TPOS, TNEG
NOTE 1: TCES = 0 (CCR2.1) OR CES = 0.
NOTE 2: TCES = 1 (CCR2.1) OR CES = 1.
TCLK
(Note 1)
TCLK
(Note 2)
A
= -40°C to +85°C.)
t
R
SYMBOL
(Figure
t
R
t
t
t
t
t
CH
HD
F t
CP
CL
SU
, t
F
10-10)
(Note 5)
(Note 6)
55 of 60
CONDITIONS
t SU
t HD
t
CL
t
MIN
CP
75
75
20
20
t
CH
TYP
488
648
MAX
25
UNITS
ns
ns
ns
ns
ns