DS21Q48 Maxim Integrated Products, DS21Q48 Datasheet - Page 55

• Manufacturer Part Number: DS21Q48
• Description: IC LIU E1/T1/J1 QUAD 5V 144-BGA
• Manufacturer: Maxim Integrated Products
• Type: Line Interface Units (LIUs)r

Specifications of DS21Q48

• Protocol: E1
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: 144-CSBGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Number Of Drivers/receivers: -

8 DS21Q48 QUAD LIU
The DS21Q48 is a quad version of the DS2148G utilizing CSBGA on carrier packaging technology. The
four LIUs are controlled via the parallel port mode. Serial and hardware modes are unavailable in this
package.
Table 8-1. DS21Q48 Pin Assignment
DS21Q48
PIN#
M12
H11
H12
G12
H10
G11
D10
K10
E10
J10
M8
K3
H1
K2
K1
D4
D5
G4
K9
K7
D3
K5
G3
K8
D7
L1
E3
L9
L7
L6
F3
F9
J1
J2
J9
J6
J3
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
PARALLEL PORT
Connect to V
Connect to V
RCL/LOTC1
RCL/LOTC2
RCL/LOTC3
WR(R/W)
ALE(AS)
D7/AD7
D6/AD6
D5/AD5
D4/AD4
D3/AD3
D2/AD2
D1/AD1
D0/AD0
RD(DS)
MODE
PBEO1
PBEO2
PBEO3
PBEO4
MCLK
HRST
PBTS
TEST
VSM
BIS0
BIS1
INT
CS1
CS2
CS3
CS4
A4
A3
A2
A1
A0
SS
SS
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