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Maxim > Solutions > Network Hubs, Switches, and Routers

T1/E1/J1 Framers

DATA SHEETS
Display Title/Parts Key Advantages
QV  PDF Quad Ethernet Mapper
DS33Z44

QV  PDF T1/E1/J1 BITS Element
DS26503

QV  PDF T1/E1/J1/64KCC BITS Element
DS26502

Industry's Only 64kHz Composite-Clock Transceivers
QV  PDF Low-Cost Demo Kit Motherboard
DK101

QV  PDF Quad T1/E1/J1 Transceiver
DS21Q55, DS21Q55N

QV  PDF Enhanced Quad E1 Framer
DS21Q44

QV  PDF Enhanced Quad T1 Framer
DS21Q42

QV  PDF 4x3 Twelve Channel E1 Framer / 4x4 Sixteen Channel E1 Framer
DS21FF44, DS21FT44

QV  PDF 4 x 4 16 Channel T1 Framer / 4 x 3 12 Channel T1 Framer
DS21FF42, DS21FT42




Key Specifications:  T/E Carrier & Packetized Products
Part Number Transmission Standard Functions Channels In-to-Out Clocks
(MHz)
VSUPPLY
(V)
EV Kit RoHS Available Package/Pins Smallest Available Pckg.
(mm2)
max w/pins
DS33Z44  Ethernet/Serial TDM Ethernet Mapper 4 - 3.3 Yes Yes
CSBGA/256
TCBGA/256
-
DS26502 
64kHz - G.703 II.1 Japanese 64kHz Clock
64kHz - G.703 II.2 Japanese 6312kHz Clock
64kHz Composite Clock - G.703 Level A
T1/E1/J1
BITS Element 1
0.064
1.544
2.048
6.312
19.44
Yes No
LQFP/64
148.8
DS26503  T1/E1/J1 BITS Element 1
1.544
2.048
6.312
Yes See Data Sheet
See Data Sheet/
-
DS21FF42  T1/J1 Framer 16 - - Yes
PBGA/300
729
DS21FF44  E1 Framer 16 - - No
PBGA/300
729
DS21FT42  T1/J1 Framer 12 - - No
PBGA/300
729
DS21FT44  E1 Framer 12 - - Yes
PBGA/300
729
DS21Q42  T1/J1 Framer 4 - - See Data Sheet
See Data Sheet/
-
DS21Q44  E1 Framer 4 - - See Data Sheet
LQFP/128
359.6
See All T/E Carrier & Packetized Products (102)



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