DS21Q55 Maxim Integrated Products, DS21Q55 Datasheet - Page 205

• Manufacturer Part Number: DS21Q55
• Description: IC TXRX QUAD T1/E1/J1 SCT 256BGA
• Manufacturer: Maxim Integrated Products

Specifications of DS21Q55

• Function: Transceiver
• Interface: E1, J1, T1
• Number Of Circuits: 4
• Voltage - Supply: 3.14 V ~ 3.47 V
• Current - Supply: 75mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 256-BGA
• Includes: BERT Generator and Detector, Dual HDLC Controllers
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power (watts): -

BIT
75
74
73
72
71
70
69
68
67
—
—
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
—
—
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
60, 80, 84
61, 81, 83
PIN
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
—
—
—
—
—
—
—
TDATA (NXA)
TCHCLK.cntl
ALE (AS)/A7
TESO (NXA)
ESIBRD.cntl
TCLKO.cntl
TNEGO.cntl
ESIBS1.cntl
TPOSO.cntl
TSYSCLK
WR (R/ W )
TCHCLK
TSSYNC
BUS.cntl
RD (DS )
ESIBRD
TNEGO
D0/AD0
D1/AD1
D2/AD2
D3/AD3
D4/AD4
D5/AD5
D6/AD6
D7/AD7
TCLKO
ESIBS1
TPOSO
NAME
TNEGI
RLINK
TCLKI
DVDD
DVDD
TPOSI
TCLK
DVSS
TSER
DVSS
TSIG
MUX
A0
A1
A2
A3
A4
A5
A6
CS
TYPE
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
—
—
—
—
—
—
—
—
—
—
—
205 of 237
O
O
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
—
—
—
0 = TCLKO is an input.
1 = TCLKO is an output.
0 = TNEGO is an input.
1 = TNEGO is an output.
0 = TPOSO is an input.
1 = TPOSO is an output.
—
—
—
—
—
—
—
—
—
—
0 = TCHCLK is an input.
1 = TCHCLK is an output.
—
0 = ESIBS1 is an input.
1 = ESIBS1 is an output.
—
—
0 = D0–D7/AD0–AD7 are inputs.
1 = D0–D7/AD0–AD7 are inputs.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0 = ESIBRD is an input.
1 = ESIBRD is an output.
—
—
—
CONTROL BIT FUNCTION