TP87C52-1 Просмотр технического описания (PDF) - Intel
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TP87C52-1 Datasheet PDF : 23 Pages
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8XC52 54 58
EXTERNAL MEMORY CHARACTERISTICS (Continued)
All parameter values apply to all devices unless otherwise indicated
Oscillator
Symbol Parameter 12 MHz 24 MHz 33 MHz
Variable
Units
Min Max Min Max Min Max
Min
Max
TLLPL ALE Low to
PSEN Low
8XC5X -24 53
12
TCLCL b 30
ns
8XC5X-33
5
TCLCL b 25
ns
TPLPH PSEN Pulse 205
80
46
3 TCLCL b 45
ns
Width
TPLIV PSEN Low to
Valid
Instruction In
8XC5X
145
8XC5X-24
35
8XC5X-33
35
3 TCLCL b 105 ns
3 TCLCL b 90 ns
3 TCLCL b 55 ns
TPXIX Input
0
0
0
0
ns
Instruction
Hold After
PSEN
TPXIZ Input
Instruction
Float After
PSEN
8XC5X
59
8XC5X-24
21
8XC5X-33
5
TCLCL b 25 ns
TCLCL b 20 ns
TCLCL b 25 ns
TAVIV Address to
Valid
Instruction In
8XC5X -24
312
103
8XC5X-33
71
5 TCLCL b 105 ns
5 TCLCL b 80 ns
TPLAZ PSEN Low to
10
10
10
Address
Float
10
ns
TRLRH RD Pulse
400
150
82
6 TCLCL b 100
ns
Width
TWLWH WR Pulse
400
150
82
6 TCLCL b 100
ns
Width
13
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