DS21448L+ Maxim Integrated Products, DS21448L+ Datasheet - Page 53

• Manufacturer Part Number: DS21448L+
• Description: IC LIU QUAD E1/T1/J1 128-LQFP
• Manufacturer: Maxim Integrated Products
• Type: Line Interface Units (LIUs)r

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