TXC-04252AIPQ Transwitch Corporation, TXC-04252AIPQ Datasheet - Page 86

• Manufacturer Part Number: TXC-04252AIPQ
• Manufacturer: Transwitch Corporation

Specifications of TXC-04252AIPQ

• Pin Count: 160
• Screening Level: Industrial
• Package Type: PQFP
• Lead Free Status / Rohs Status: Not Compliant

Ed. 3, December 2000
QE1M
TXC-04252
TXC-04252-MB
Boundary Scan Chain
There are 159 scan cells in the boundary scan chain associated with QE1M core logic functions. Bidirectional
signals require two scan cells. Additional scan cells are used for direction control as needed. A boundary scan
description language (BSDL) source file is available via the Products page of the TranSwitch Internet World
Wide Web site at www.transwitch.com. The following table shows the listed order of the scan cells and their
function.
Cell No.
Scan
10
11
12
13
14
15
16
17
18
19
20
21
22
23
0
1
2
3
4
5
6
7
8
9
Output (2-state)
Output (2-state)
Output (3-state)
Output (3-state)
Output (3-state)
Output (3-state)
Output (3-state)
Output (3-state)
Output
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
I/O
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Proprietary TranSwitch Corporation Information for use Solely by its Customers.
PQFP
30
37
33
32
31
28
26
24
23
21
20
19
18
16
15
14
12
11
10
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8
7
Lead No.
PBGA
DATA SHEET
M3
G4
G1
G2
P1
K2
K3
H1
E4
E3
E1
D4
D1
L2
L1
L4
F4
F3
F1
J2
J3
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ADC1J1V1
AAC1J1V1
RCP1_OE
RCP3_OE
RN1_OE
RN3_OE
Symbol
QUIET1
ADSPE
AASPE
ADCLK
AACLK
ADIND
AAIND
RPO1
RNO1
RCO1
RPO3
RNO3
RCO3
TDO
TPI1
TNI1
TCI1
TPI3
TNI3
SCAN Chain output
When high, lead 15 or F3 is tristated.
When high, leads 14 or F1 and 16 or F4
are tristated.
When high, lead 11 or E3 is tristated.
When high, leads 10 or E1 and 12 or E4
are tristated.
Comments