80386DX Datasheet, PDF (5/17 Pages) Maxwell Technologies – 32-Bit Microprocessor

32-Bit Microprocessor
80386DX
TABLE 6. 80386DX AC ELECTRICAL CHARACTERISTICS
(V_CC = +5V ±10%; V_PP = V_SS; T_A = -55°C TO +125°C, UNLESS OTHERWISE SPECIFIED)
PARAMETER
SYMBOL
CONDITION
MIN
MAX
UNIT
CLK2 Fall Time¹
-16
-20
-25
t₄ (V_CC - 0.8V) to 0.8V
ns
--
8
--
8
--
7
CLK2 Rise Time¹
-16
-20
-25
t₅ 0.8V to (V_CC - 0.8V)
ns
--
8
--
8
--
7
A2 - A31 Valid Delay
-16
-20
-25
t₆ C_L = 120pF (C_L = 50pF for 25 MHz)
ns
4
36
4
30
4
21
A2 - A31 Float Delay^{1, 2}
t₇
-16
-20
-25
ns
4
40
4
32
4
30
BE0 - BE3, LOCK Valid Delay
-16
-20
-25
BE0 - BE3, LOCK Float Delay^{1, 2}
-16
-20
-25
t₈ C_L = 75pF (C_L = 50pF for 25 MHz)
t₉
ns
4
36
4
30
4
24
ns
4
40
4
32
4
30
W/R, M/IO, D/C and ADS Valid Delay
-16
-20
-25
t₁₀ C_L = 75pF (C_L = 50pF for 25 MHz)
ns
6
33
6
28
4
21
W/R, M/IO, D/C and ADS Float Delay^{1, 2} t₁₁
-16
-20
-25
ns
6
35
6
30
4
30
D0 - D31 Valid Delay
-16
-20
-25
D0 - D31 Float Delay^{1, 2}
-16
-20
-25
t₁₂ C_L = 120pF (C_L = 50pF for 25 MHz)
ns
4
48
4
38
7
27
t₁₃
ns
4
35
4
27
4
22
HLDA Valid Delay
-16
-20
-25
t₁₄ C_L = 75pF (C_L = 50pF for 25 MHz)
ns
6
323
6
28
4
22
1000557
12.17.01 Rev1
All data sheets are subject to change without notice 5
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