DS2155L+ Maxim Integrated Products, DS2155L+ Datasheet - Page 236

• Manufacturer Part Number: DS2155L+
• Description: IC TXRX T1/E1/J1 1-CHIP 100-LQFP
• Manufacturer: Maxim Integrated Products

Specifications of DS2155L+

• Function: Single-Chip Transceiver
• Interface: E1, HDLC, J1, T1
• Number Of Circuits: 1
• Voltage - Supply: 3.14 V ~ 3.47 V
• Current - Supply: 75mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP
• Includes: BERT Generator and Detector, CMI Coder and Decoder, HDLC Controller
• Product: Framer
• Number Of Transceivers: 1
• Data Rate: 64 Kbps
• Supply Voltage (max): 3.465 V
• Supply Voltage (min): 3.135 V
• Supply Current (max): 75 mA (Typ)
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power (watts): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Figure 37-13. Transmit-Side Timing, Elastic Store Enabled
Note 1: TSER is only sampled on the falling edge of TSYSCLK when the transmit-side elastic store is enabled.
Note 2: TCHCLK and TCHBLK are synchronous with TSYSCLK when the transmit-side elastic store is enabled.
Figure 37-14. Transmit Line Interface Timing
TPOSO, TNEGO
TPOSI, TNEGI
TCHCLK
TSYSCLK
TCHBLK
TCLKO
TSSYNC
TCLKI
TSER
t
R
t
R
t D3
t DD
F t
t SU
F t
t D3
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t
SU
t
HD
t SU
t HD
t HD
t
SL
t
LL
t
SP
t
LP
t
SH
t
LH