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PC87570 Datasheet(PDF) 147 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # PC87570
Description  PC87570 Keyboard and Power Management Controller
PDF  168 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87570 Datasheet(HTML) 147 Page - National Semiconductor (TI)

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Device Specifications
www.national.com
Figure 19-9. Late Write between Two Normal Read Bus Cycles, 0 Wait, AC Timing
Figure 19-10. Two Consecutive Normal Read Bus Cycles with Burst, 0 Wait, AC Timing
CLK
A0-18
SELx
D0-15
RD
WR0-1
Normal Read
Late Write
T1
T2
T1
T2
T1
T2
Bus State
In
Out
In
BST0-2
(x
≠ y)
SELy
(y
≠ x)
t10
t9
t3
t11
Normal Read
t3, t12
t3, t12
t5, t12
t5, t12
t5, t12
t5, t12
t8, t12
t5, t12
t5, t12
t6, t13
t6, t13
t4, t13
t4, t13
t14
CLK
A0-18
SELx
SELy
RD
WR0-1
D0-15
Normal Read
Normal Read
T1
T2
T2B
T1
T2B
T2
In
In
In
In
BST0-2
t1
t2
t2
t1
t7
(x
≠ y)
(y
≠ x)
t3
t3, t12
t3, t12
t5, t12
t5, t12
t5, t12
t5, t12
t5, t12
t5, t12
t4, t13
t4, t13



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