MC14517B(2000) 查看數據表（PDF） - ON Semiconductor
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MC14517B Datasheet PDF : 8 Pages
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MC14517B
PIN ASSIGNMENT
Q16A 1
Q48A 2
WEA 3
CA 4
Q64A 5
Q32A 6
DA 7
VSS 8
16 VDD
15 Q16B
14 Q48B
13 WEB
12 CB
11 Q64B
10 Q32B
9 DB
Clock
0
Write
Enable
0
0
1
1
0
1
1
0
1
0
1
FUNCTIONAL TRUTH TABLE (X = Don’t Care)
Data
X
X
X
X
Data entered
into 1st Bit
Data entered
into 1st Bit
X
X
16–Bit Tap
Content of 16–Bit
Displayed
High Impedance
Content of 16–Bit
Displayed
High Impedance
Content of 16–Bit
Displayed
Data at tap
entered into 17–Bit
Content of 16–Bit
Displayed
High Impedance
32–Bit Tap
Content of 32–Bit
Displayed
High Impedance
Content of 32–Bit
Displayed
High Impedance
Content of 32–Bit
Displayed
Data at tap
entered into 33–Bit
Content of 32–Bit
Displayed
High Impedance
48–Bit Tap
Content of 48–Bit
Displayed
High Impedance
Content of 48–Bit
Displayed
High Impedance
Content of 48–Bit
Displayed
Data at tap
entered into 49–Bit
Content of 48–Bit
Displayed
High Impedance
64–Bit Tap
Content of 64–Bit
Displayed
High Impedance
Content of 64–Bit
Displayed
High Impedance
Content of 64–Bit
Displayed
High Impedance
Content of 64–Bit
Displayed
High Impedance
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