DS21FF42 Maxim Integrated Products, DS21FF42 Datasheet - Page 18

• Manufacturer Part Number: DS21FF42
• Description: IC FRAMER T1 4X4 16CH 300-BGA
• Manufacturer: Maxim Integrated Products

Specifications of DS21FF42

• Controller Type: T1 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

DS21Q42 ENHANCED QUAD T1 FRAMER Figure 5-1
CLKS I
6. DS21Q42 PIN FUNCTION DESCRIPTION
This section describes the signals on the DS21Q42 die. Signals that are not bonded out or have limited
functionality in the DS21FT42 and DS21FF42 are noted in italics.
RPOS
RCLK
RNEG
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
(R/W*)
data
clock
sync
WR*
8.192MHz Clock
Parallel & Test Control Port
Synthesizer
64-Byte Buffer
HDLC Engine
DS0 Insertion
FDL Extraction
BOM Detection
(routed to all blocks)
sync
clock
data
(DS*)
RD*
Timing Control
(AS)/
ALE
BOM Generation
A6
64-Byte Buffer
HDLC Engine
DS0 Insertion
FDL Insertion
Elastic
Store
18 of 114
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
Buffer
MUX
&
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
TCHBLK
TCHCLK
1
1
1