DS21FF44 Maxim Integrated Products, DS21FF44 Datasheet - Page 19
![IC FRAMER E1 4X4 16CH 300-BGA](/photos/6/82/68293/300-bga_21-0304_sml.jpg)
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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Manufacturer
Quantity
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Figure 6-1. DS21Q44 ENHANCED QUAD E1 FRAMER
RPOS
RCLK
RNEG
CLKS I
VDD
VSS
TPOS
TNEG
3
3
TEST
Note:
1. Alternate pin functions. Consult data sheet for restrictions.
Power
CS*
FRAMER #0
FRAMER #1
FRAMER #2
FRAMER #3
FS0
Transmit Side Formatter
Receive Side Framer
FS1
BTS
data
clock
sync
(R/W*)
8.192MHz Clock
Parallel & Test Control Port
WR*
Synthesizer
64-Byte Buffer
HDLC Engine
DS0 Insertion
Sa Extraction
(routed to all blocks)
sync
clock
data
(DS*)
RD*
Timing Control
(AS)/
64-Byte Buffer
ALE
HDLC Engine
DS0 Insertion
Sa Insertion
A6
19 of 117
Elastic
Store
A0 to A5,
7
A7
Elastic
Store
MUX
Sync Control
Timing Control
AD0 to AD7
D0 to D7 /
8
LOTC DET
Hardware
Signaling
Insertion
Signaling
MUX
Buffer
&
JTAG Port
FMS
INT*
RLOS/LOTC 1
RLCLK
RCHBLK
RCHCLK
RSER
RSYSCLK
RSYNC
RMSYNC
RFSYNC
TSYNC
TSSYNC
TSYSCLK
TSER
TLINK
TLCLK
8MCLK
JTRST*
JTMS
JTCLK
JTDI
JTDO
RLINK
RSIG
TSIG
TCLK
TCHCLK
TCHBLK
1
1
1
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