pc87591l National Semiconductor Corporation, pc87591l Datasheet - Page 388

• Manufacturer Part Number: pc87591l
• Description: Lpc Mobile Embedded Controllers
• Manufacturer: National Semiconductor Corporation

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7.0 Device Specifications
7.6.4
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
10
11
12
13
14
1
2
3
4
5
6
7
8
9
BIU Timing
134, 136 to
134, 136 to
134 to 139 Output valid time
134 to 139 Output valid time
134 to 138 Output active/inactive time
134 to 139 Output hold time
134 to 139 Output hold time
134, 135
134, 135
134, 135
Figure
138
138
136
135
135
135
Input setup time
D0-15
Input hold time
D0-15
A0-17, BE0,1CBRD, D0-15
BST0-2
RD, SEL0-1, SELIO
Output active/inactive time
WR0-1
Minimum inactive time
RD
Output float time
A0-17, D0-15,RD, SEL0-
1,SELIO,WR0-1
Minimum delay time
Minimum delay time
Minimum delay time
A0-17, BE0-1, CBRD, D0-
15, RD, SEL0-1, SELIO
BST0-2,WR0-1
D0-15 valid in late write
bus cycles
Description
(Continued)
BIU Output Timing
BIU Input Timing
Before RE CLK
After RE CLK
After RE CLK
After RE CLK
After RE CLK
After RE CLK
After RE RD
After RE CLK
From RE RD to
D0-15 drive
From RE RD to RE SELn
From RE SELx to FE SELy
After RE CLK
After RE CLK
Before RE WR0-1
Reference Conditions
388
t
t
t
(K + 0.5)
CLK
CLK
CLK
0.5
Min
15
*
4 ns
0
0
0
0
t
5 ns
8 ns
8 ns
CLK
*
0.5
0.5
+ 14 ns
+ 14 ns
Max
14
14
14
*
*
t
t
CLK
CLK
Revision 1.07
Unit
ns
ns
ns
ns
ns
ns
ns
ns
-
-
-
-
-
-