ds21ft40 Maxim Integrated Products, Inc., ds21ft40 Datasheet - Page 5

• Manufacturer Part Number: ds21ft40
• Description: Ds21ft40 Four X Three 12 Channel E1 Framer
• Manufacturer: Maxim Integrated Products, Inc.

DS21FT40 ENHANCED 12-Channel E1 FRAMER Figure 1-2
RPOS
RCLK
RNEG
VDD
VSS
TPOS
TNEG
TEST
Power
C S*
FR A ME R # 1
F R A ME R # 2
F R A ME R # 3
FRAMER #12
FS0
Transmit Side Formatter
Receive Side Framer
FS1
B TS
data
clock
sync
(R/W*)
Parallel & Test Control Port
W R *
64-Byte Buffer
HDLC Engine
DS0 Insertion
Sa Extraction
(routed to all blocks)
5 of 87
sync
clock
data
(DS*)
R D *
Timing Control
(AS)/
64-Byte Buffer
ALE
HDLC Engine
DS0 Insertion
Sa Insertion
A6
Elastic
Store
A0 to A5,
7
A7
Elastic
Store
M U X
Sync Control
Timing Control
AD0 to AD7
D 0 t o D 7 /
8
LOTC DET
Hardware
Signaling
Insertion
Signaling
MUX
Buffer
&
INT*
RSER
RSYSCLK
RSYNC
RMSYNC
TSYNC
TSSYNC
TSYSCLK
TSER
TCLK
DS21FT40