DS21458-W+ Maxim Integrated, DS21458-W+ Datasheet - Page 231

• 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 36-4. Receive Side 1.544MHz Boundary Timing (With Elastic Store
Enabled)
NOTES:
1) RSYNC is in the output mode (IOCR1.4 = 0).
2) RSYNC is in the input mode (IOCR1.4 = 1).
3) RCHBLK is programmed to block channel 24.
RCHBLK
RSYSCLK
RMSYNC
RCHCLK
RSYNC
RSYNC
RSIG
RSER
2
1
3
CHANNEL 23
CHANNEL 23
A
B
C/A D/B
LSB
MSB
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CHANNEL 24
CHANNEL 24
A
B
DS21455/DS21458 Quad T1/E1/J1 Transceivers
C/A D/B
LSB
F
MSB
CHANNEL 1
CHANNEL 1
A