DS21458-W+ Maxim Integrated, DS21458-W+ Datasheet - Page 245

• Manufacturer Part Number: DS21458-W+
• Description: Network Controller & Processor ICs
• Manufacturer: Maxim Integrated

Specifications of DS21458-W+

• Product: Framer
• Number Of Transceivers: 4
• Data Rate: 64 Kbps
• Supply Current (max): 328 mA
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: CSBGA
• Minimum Operating Temperature: 0 C
• Operating Supply Voltage: 3.3 V
• Supply Voltage - Max: 3.465 V
• Supply Voltage - Min: 3.135 V
• Part # Aliases: 90-21458+W00

Figure 36-18. Transmit Side Timing
NOTES:
1) TSYNC in frame mode (IOCR1.2 = 0).
2) TSYNC in multiframe mode (IOCR1.2 = 1).
3) TLINK is programmed to source just the Sa4 bit.
4) This diagram assumes both the CAS MF and the CRC-4 MF begin with the TAF frame.
5) TLINK and TLCLK are not synchronous with TSSYNC.
FRAME#
TSYNC
TLCLK
TSYNC
TSSYNC
TLINK
3
2
3
1
14 15 16
1
2
3
4
5
6
7
8
9 10
245 of 269
11 12
13 14 15 16 1
DS21455/DS21458 Quad T1/E1/J1 Transceivers
2
3
4
5
6
7
8
9 10