DS21348T+ Maxim Integrated Products, DS21348T+ Datasheet - Page 27

• Manufacturer Part Number: DS21348T+
• Description: IC LIU T1/E1/J1 3.3V 44-TQFP
• Manufacturer: Maxim Integrated Products
• Type: Line Interface Units (LIUs)r

Specifications of DS21348T+

• Number Of Drivers/receivers: 1/1
• Protocol: T1/E1/J1
• Voltage - Supply: 3.135 V ~ 3.465 V
• Mounting Type: Surface Mount
• Package / Case: 44-TQFP, 44-VQFP
• Product: Framer
• Number Of Transceivers: 1
• Supply Voltage (max): 3.465 V
• Supply Voltage (min): 3.135 V
• Supply Current (max): 100 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 3-1. Serial Port Operation for Read Access (R = 1) Mode 1
ICES = 1 (sample SDI on the falling edge of SCLK)
OCES = 1 (update SDO on rising edge of SCLK)
Figure 3-2. Serial Port Operation for Read Access Mode 2
ICES = 1 (sample SDI on the falling edge of SCLK)
OCES = 0 (update SDO on falling edge of SCLK)
Figure 3-3. Serial Port Operation for Read Access Mode 3
ICES = 0 (sample SDI on the rising edge of SCLK)
OCES = 0 (update SDO on falling edge of SCLK)
SCLK
CS
SDI
SDO
SCLK
CS
SDI
SCLK
CS
SDI
SDO
SDO
(lsb)
(lsb)
1
1
(lsb)
1
READ ACCESS ENABLED
1
1
1
A0
2
A0
2
A0
2
A1
3
A1
3
A1
3
A2
4
A2
4
A2
4
A3
5
A3
5
A32
5
A4
6
A4
6
A4
6
0
7
7
0
0
7
(msb)
B
27 of 76
(msb)
(msb)
8
B
8
B
8
D0
(lsb)
9
9
D0
(lsb)
9
D0
(lsb)
D1
10
10
D1
10
D1
D2
11
11
D2
11
D2
D3
12
12
D3
12
D3
D4
13
13
D4
13
D4
D5
14
14
D5
14
D5
D6
15
15
D6
15
D6
(msb)
D7
(msb)
16
16
D7
(msb)
16
D7