DS21Q42T Maxim Integrated Products, DS21Q42T Datasheet - Page 8

• Manufacturer Part Number: DS21Q42T
• Description: IC FRAMER ENHANCED T1 4X 128TQFP
• Manufacturer: Maxim Integrated Products

Specifications of DS21Q42T

• Controller Type: T1 Framer
• Interface: Parallel/Serial
• Voltage - Supply: 2.97 V ~ 3.63 V
• Current - Supply: 75mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 128-TQFP, 128-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

2. DS21Q42 PIN DESCRIPTION
Table 2-1. PIN DESCRIPTION SORTED BY PIN NUMBER
PIN
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
1
2
3
4
5
6
7
8
9
[RLOS/LOTC0]
A6/ALE (AS)
[RMSYNC0]
[RCHCLK0]
[TCHCLK1]
RSYSCLK0
TSYSCLK1
RCHBLK0
TCHBLK0
TCHBLK1
SYMBOL
RFSYNC0
TSSYNC1
RSYNC0
RLCLK0
TSYNC0
TLCLK0
RLINK0
SPARE1
RLINK1
TLINK0
TNEG0
RCLK0
RNEG0
TNEG1
TCLK0
RPOS0
RSER0
TPOS0
TSER1
TPOS1
JTRST
RSIG0
TSIG1
VDD
INT*
VSS
A0
A1
A2
A3
A4
A5
TYPE DESCRIPTION
I [O]
I [O]
[O]
[O]
I/O
I/O
—
—
—
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Transmit Channel Block from Framer 0
Transmit Bipolar Data from Framer 0
Transmit Bipolar Data from Framer 0
Receive Link Data from Framer 0
Receive Link Clock from Framer 0
Receive Clock for Framer 0
Receive Bipolar Data for Framer 0
Receive Bipolar Data for Framer 0
Receive Signaling Output from Framer 0 [Receive Channel
Clock from Framer 0]
Receive Channel Block from Framer 0
Receive System Clock for Elastic Store in Framer 0
Receive Sync for Framer 0
Receive Serial Data from Framer 0
Signal Ground
Positive Supply Voltage
Reserved. Must be left unconnected for normal operation
[Receive Multiframe Sync from Framer 0]
Receive Frame Sync from Framer 0
JTAG Reset [Receive Loss of Sync/Loss of Transmit clock
from Framer 0]
Transmit Clock for Framer 0
Transmit Link Clock from Framer 0
Transmit Sync for Framer 0
Transmit Link Data for Framer 0
Address Bus Bit 0; LSB
Address Bus Bit 1
Address Bus Bit 2
Address Bus Bit 3
Address Bus Bit 4
Address Bus Bit 5
Address Bus Bit 6; MSB or Address Latch Enable (Address
Strobe)
Receive Alarm Interrupt for all Four Framers
Transmit System Clock for Elastic Store in Framer 1
Transmit Serial Data for Framer 1
Transmit Sync for Elastic Store in Framer 1
Transmit Signaling Input for Framer 1
[Transmit Channel Clock from Framer 1]
Transmit Channel Block from Framer 1
Transmit Bipolar Data from Framer 1
Transmit Bipolar Data from Framer 1
Receive Link Data from Framer 1
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