80C186XL/80C188XL
AC SPECIFICATIONS (Continued)
CLOCK TIMINGS
a
e
All timings are measured at 1.5V and 50 pF loading on CLKOUT unless otherwise noted.
e
CC
g
5V 10%
T
0 C to 70 C, V
§
§
A
e
All output test conditions are with C
e
50 pF.
e
L
0.45V and V
e
b
V 0.5V.
CC
For AC tests, input V
2.4V except at X1 where V
IL
IH
IH
Values
Test
Symbol
Parameter
80C186XL25
Min Max
80C186XL20
80C186XL12
Unit
Conditions
Min
Max
Min
Max
(1)
80C186XL CLKIN REQUIREMENTS
%
%
%
5
%
%
%
5
%
%
%
5
T
T
T
T
T
CLKIN Period
20
8
25
10
10
40
16
16
ns
CKIN
(2)
CLKIN Low Time
CLKIN High Time
CLKIN Fall Time
CLKIN Rise Time
ns 1.5V
ns 1.5V
CLCK
CHCK
CKHL
CKLH
(2)
8
ns 3.5 to 1.0V
ns 1.0 to 3.5V
5
5
5
80C186XL CLKOUT TIMING
T
CLKIN to
CLKOUT Skew
17
17
21 ns
CICO
%
%
T
T
CLKOUT Period
40
50
80
ns
CLCL
CLCH
(3)
(4)
b
b
b
b
b
b
e
e
CLKOUT
Low Time
0.5 T
0.5 T
5
5
0.5 T
0.5 T
5
5
0.5 T
0.5 T
5
5
ns
C
C
100 pF
100 pF
CLCL
CLCL
CLCL
L
L
T
T
T
CLKOUT
High Time
ns
CHCL
CLCL
CLCL
CLCL
CLKOUT
Rise Time
6
6
8
8
10 ns 1.0 to 3.5V
10 ns 3.5 to 1.0V
CH1CH2
CL2CL1
CLKOUT
Fall Time
NOTES:
1. External clock applied to X1 and X2 not connected.
2. T and T (CLKIN Low and High times) should not have a duration less than 40% of T .
CKIN
CLCK
CHCK
e
e
e
e
3. Tested under worst case conditions: V
4. Tested under worst case conditions: V
5.5V. T
4.5V. T
70 C.
0 C.
§
CC
CC
A
A
§
29
ETC [ ETC ]
