8XC51FX Datasheet, PDF (12/20 Pages) Intel Corporation – CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLERS

8XC51FX
EXTERNAL MEMORY CHARACTERISTICS (Continued)
All parameter values apply to all devices unless otherwise indicated
Symbol
Parameter
Oscillator
12 MHz 24 MHz 33 MHz
Min Max Min Max Min Max
Variable
Min
Max
Units
TPXIZ Input Instr Float After PSEN
8XC51FX
59
8XC51FX-24
21
8XC51FX-33
5
TAVIV Address to Valid Instr In
8XC51FX -24
8XC51FX-33
312
103
71
TCLCL-25 ns
TCLCL-20 ns
TCLCL-25 ns
5TCLCL^b105 ns
5TCLCL^b80 ns
TPLAZ PSEN Low to Address Float
10
10
10
10
ns
TRLRH RD Pulse Width
400
150
82
6TCLCL^b100
ns
TWLWH WR Pulse Width
400
150
82
6TCLCL^b100
ns
TRLDV
RD Low to Valid Data In
8XC51FX
8XC51FX-24
8XC51FX-33
252
113
61
5TCLCL^b165 ns
5TCLCL^b95 ns
5TCLCL^b90 ns
TRHDX Data Hold After RD
0
0
0
0
ns
TRHDZ Data Float After RD
8XC51FX 24
8XC51FX-33
107
23
35
2TCLCL^b60 ns
2TCLCL^b25 ns
TLLDV ALE Low to Valid Data In
8XC51FX
8XC51FX-24 33
517
243
150
8TCLCL^b150 ns
8TCLCL^b90 ns
TAVDV Address to Valid Data In
8XC51FX
8XC51FX-24 33
585
285
180
9TCLCL^b165 ns
9TCLCL^b90 ns
TLLWL ALE Low to RD or WR Low 200 300 75 175 41 140 3TCLCL^b50 3TCLCL^a50 ns
TAVWL Address to RD or WR Low
8XC51FX
203
4TCLCL^b130
ns
8XC51FX-24
77
4TCLCL^b90
ns
8XC51FX-33
46
4TCLCL^b75
ns
TQVWX Data Valid to WR Transition
8XC51FX
33
TCLCL^b50
ns
8XC51FX-24 33
12
0
TCLCL^b30
ns
TWHQX Data Hold After WR
8XC51FX
33
TCLCL^b50
ns
8XC51FX-24
7
TCLCL^b35
ns
8XC51FX-33
3
TCLCL^b27
ns
TQVWH Data Valid to WR High
8XC51FX
433
7TCLCL^b150
ns
8XC51FX-24 33
222
142
7TCLCL^b70
ns
TRLAZ RD Low to Address Float
0
0
0
0
ns
TWHLH RD or WR High to ALE High
8XC51FX
43 123
TCLCL^b40 TCLCL^a40 ns
8XC51FX-24
12 71
TCLCL^b30 TCLCL^a30 ns
8XC51FX-33
5 55 TCLCL^b25 TCLCL^a25 ns
12