DS21348G Maxim Integrated Products, DS21348G Datasheet - Page 10

• Manufacturer Part Number: DS21348G
• Description: IC LIU T1/E1/J1 3.3V 49-BGA
• Manufacturer: Maxim Integrated Products
• Type: Line Interface Units (LIUs)r

Specifications of DS21348G

• Number Of Drivers/receivers: 1/1
• Protocol: T1/E1/J1
• Voltage - Supply: 3.135 V ~ 3.465 V
• Mounting Type: Surface Mount
• Package / Case: 49-CSBGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

2. PIN DESCRIPTION
The DS21348 can be controlled in a parallel port mode, serial port mode, or hardware mode
Table
Table 2-1. Bus Interface Selection
Table 2-2. Pin Assignment in Parallel Port Mode
DS21348T
BIS1
2-3, and
0
0
0
0
1
1
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
1
2
3
4
5
6
7
8
9
PIN
Table
BIS0
DS21348G
0
0
1
1
0
1
2-4).
C3
C2
B1
D2
C1
D3
D1
G1
G2
G3
G4
G5
G6
D6
D5
E1
F2
F1
E3
F3
F4
E4
F5
F6
E5
E6
F7
PBTS
—
—
0
1
0
1
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
—
—
O
O
I
I
I
I
I
I
I
I
I
I
I
I
I
Muxed Intel
Muxed Motorola
Nonmuxed Intel
Nonmuxed Motorola
Serial Port
Hardware
10 of 76
PORT MODE
PARALLEL
MODE
RCL/LOTC
WR (R/W)
ALE (AS)
RD (DS)
D7/AD7
D6/AD6
D5/AD5
D4/AD4
D3/AD3
D2/AD2
D1/AD1
D0/AD0
PBEO
TEST
VDD
VSM
RTIP
VSS
INT
NA
NA
A4
CS
A3
A2
A1
A0
(Table
2-2,