DS21458-W+ Maxim Integrated, DS21458-W+ Datasheet - Page 239

• 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 36-12. Receive Side Boundary Timing (With Elastic Store Disabled)
NOTES:
1) RCHBLK is programmed to block channel 1.
2) RLCLK is programmed to mark the Sa4 bit in RLINK.
3) Shown is a RNAF frame boundary.
4) RSIG normally contains the CAS multiframe-alignment nibble (0000) in channel 1.
RCHBLK
RFSYNC
RCHCLK
RSYNC
RLINK
RLCLK
RSER
RCLK
RSIG
1
2
CHANNEL 32
CHANNEL 32
A
B
C
LSB
D
Si
1
239 of 269
A Sa4 Sa5 Sa6 Sa7 Sa8
Sa4 Sa5 Sa6 Sa7 Sa8
CHANNEL 1
CHANNEL 1
Note 4
DS21455/DS21458 Quad T1/E1/J1 Transceivers
MSB
CHANNEL 2
CHANNEL 2
A
B