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SCAN16512 Fiches technique(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
No de pièce SCAN16512
Description  Low Voltage Universal 16-bit IEEE 1149.1 Bus Transceiver with TRI-STATE Outputs
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Fabricant  NSC [National Semiconductor (TI)]
Site Internet  http://www.national.com
Logo NSC - National Semiconductor (TI)

SCAN16512 Fiches technique(HTML) 2 Page - National Semiconductor (TI)

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Pin Descriptions
Pin
Description
Name
A1
0-A17,
A2
0-A27
Normal-function A-bus I/O ports. See function table for normal-mode logic.
B1
0-B17,
B2
0-B27
Normal-function B-bus I/O ports. See function table for normal-mode logic.
CLKAB
1,
CLKBA
1,
CLKAB
2,
CLKBA
2
Normal-function clock inputs.See function table for normal-mode logic.
GND
Ground
V
CC
Supply Voltage
LEAB
1,
LEBA
1,
LEAB
2,
LEBA
2
Normal-function latch enables. See function table for normal-mode logic.
OEAB
1,
OEBA
1,
OEAB
2,
OEBA
2
Normal-function output enables. See function table for normal-mode logic.
TDO
The Test Data Output to support IEEE Std 1149.1-1990. TDO is the serial output for shifting data through
the instruction register or selected data register.
TMS
The Test Mode Select input to support IEEE Std 1149.1-1990. TMS directs the device through it’s TAP
controller states. An internal pull-up forces TMS high if left unconnected.
TCK
The Test Clock input to support IEEE Std 1149.1-1990. Test operations of the device are synchronous to
TCK. Data is captured on the rising edge of TCK and outputs change on the falling edge of TCK.
TDI
The Test Data Input to support IEEE Std 1149.1-1990. TDI is the serial input to shift data through the
instruction register or the selected data register. An internal pull-up resistor forces TDI high if left
unconnected.
TRST
The Test Reset Input to support IEEE Std 1149.1-1990. TRST is the asynchronous reset pin which will
force the TAP controller to it’s initialization state when active. An internal pullup resistor forces TRST high if
left unconnected.
BGA Pinout
1234567
8
A
A1
0
A1
2
A1
4
A1
6
A2
0
A2
2
A2
4
A2
6
B
A1
1
A1
3
A1
5
A1
7
A2
1
A2
3
A2
5
A2
7
C
TRST
CLKAB
1
LEAB
1
OEAB
1
GND
CLKAB
2
LEAB
2
OEAB
2
D
TMS
GND
V
CC
GND
V
CC
GND
TDI
TDO
E
TCK
GND
V
CC
V
CC
GND
GND
N/C
V
CC
F
CLKBA
1
LEBA
1
OEBA
1
GND
N/C
CLKBA
2
LEBA
2
OEBA
2
G
B1
1
B1
3
B1
5
B1
7
B2
1
B2
3
B2
5
B2
7
H
B1
0
B1
2
B1
4
B1
6
B2
0
B2
2
B2
4
B2
6
www.national.com
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