Datasheet

DS2148/DS21Q48
58 of 73
Figure 8-1. 144-Pin CSBGA (17mm x 17mm) Pinout
1 2 3 4 5 6 7 8 9 10 11 12
A
RTIP
1
TTIP
1
NC RTIP
2
TTIP
2
NC RTIP
3
TTIP
3
NC RTIP
4
TTIP
4
NC
B
NC RRING
1
TRING
1
NC RRING
2
TRING
2
NC RRING
3
TRING
3
NC RRING
4
TRING
4
C
NC NC NC NC NC NC NC NC NC NC NC NC
D
VSS
2
VDD
2
CS2
D2/
AD2
D0/
AD0
BPCLK
2
RCL/
LOTC2
VDD
3
VSS
3
CS3
RPOS
3
TNEG
3
E
RPOS
2
RNEG
2
D3/
AD3
VDD
2
NC NC NC NC VSS
3
PEBO
3
RCLK
3
TPOS
3
F
RCLK
2
TPOS
2
D1/
AD1
VSS
2
NC NC NC NC RCL/
LOTC3
BPCLK
3
RNEG
3
TCLK
3
G
TPOS
1
RNEG
1
PEBO
2
VSM
NC
NC NC NC VDD
3
NC D5/
AD5
A0
H
WR
(R/W)
TNEG
1
RCLK
1
BPCLK
1
NC NC NC NC VSS
4
D6/
AD6
A2 A1
J See
Note 2
RD
(DS)
CS1
VSS
1
VDD
1
MCLK RCL/
LOTC4
VDD
4
D4/
AD4
D7/
AD7
NC NC
K
A4 ALE
(AS)
See
Note 2
RPOS
1
PEBO
1
NC TEST PEBO
4
INT CS4
RPOS
4
TNEG
4
L
A3 TCLK
2
NC NC VDD
1
RCL/
LOTC1
BIS0 BPCLK
4
HRST
VSS
4
RCLK
4
TCLK
4
M
TNEG
2
TCLK
1
NC VSS
1
NC NC NC BIS1 VDD
4
RNEG
4
TPOS
4
PBTS
NOTES:
1) Shaded areas are signals common to all four devices.
2) Connect to V
SS
.