DS21458-W+ Maxim Integrated, DS21458-W+ Datasheet - Page 267

• 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 38-14. Transmit Side Timing, Elastic Store Enabled
NOTES:
1) TSER is only sampled on the falling edge of TSYSCLK when the transmit-side elastic store is
2) TCHCLK and TCHBLK are synchronous with TSYSCLK when the transmit-side elastic store is
enabled.
enabled.
TSYSCLK
TCHCLK
TCHBLK
TSSYNC
TSER
t R
t
D3
F t
t SU
t D3
267 of 269
t SU
t HD
t
HD
DS21455/DS21458 Quad T1/E1/J1 Transceivers
t
SL
t
SP
t
SH