DS21FF44 Maxim Integrated Products, DS21FF44 Datasheet - Page 114
DS21FF44
Manufacturer Part Number
DS21FF44
Description
IC FRAMER E1 4X4 16CH 300-BGA
Manufacturer
Maxim Integrated Products
Datasheet
1.DS21FT44N.pdf
(117 pages)
Specifications of DS21FF44
Controller Type
E1 Framer
Interface
Parallel/Serial
Voltage - Supply
2.97 V ~ 3.63 V
Current - Supply
300mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
300-BGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Figure 23-10. RECEIVE LINE INTERFACE AC TIMING
RPOS, RNEG
Figure 23-11. TRANSMIT SIDE AC TIMING
TSER / TSIG
TCHCLK
TCHBLK
TSYNC
TSYNC
TCLK
TLCLK
Notes:
1. TSYNC is in the output mode (TCR1.0 = 1).
2. TSYNC is in the input mode (TCR1.0 = 0).
3. TSER is sampled on the falling edge of TCLK when the transmit side elastic store is disabled.
4. TCHCLK and TCHBLK are synchronous with TCLK when the transmit side elastic store is disabled.
5. TLINK is only sampled during Sa bit locations as defined in TCR2; no relationship between
TLINK
RCLK
TLCLK/TLINK and TSYNC is implied.
1
2
5
t
R
t
R
t D2
t D2
t
F t
D2
t
F t
SU
t
SU
t SU
t D2
t SU
t
t
HD
HD
t HD
t HD
114 of 117
t
CL
t
CL
t
CP
t CP
t
CH
t
CH
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