7 a.c. specifications – Intel 80960HD User Manual
Page 42
80960HA/HD/HT
42
Datasheet
4.7 A.C. Specifications
Table 23. 80960Hx A.C. Characteristics (Sheet 1 of 2)
Per conditions in
Section 4.2, “Operating Conditions” on page 37
and
Section 4.7.1, “AC Test Conditions” on page 45
.
Symbol
Parameter
Min
Max
Units
Notes
Input Clock
1, 7
T
F
CLKIN Frequency
80960HA
80960HD
80960HT
16
16
16
40
40
25
MHz
MHz
MHz
T
CLKIN Period
80960HA
80960HD
80960HT
25
25
40
62.5
62.5
62.5
ns
ns
ns
T
CS
CLKIN Period Stability
-250
+250
ps
11
T
CH
CLKIN High Time
8
ns
11
T
CL
CLKIN Low Time
80960HA
80960HD
80960HT
8
8
8
ns
ns
ns
11
T
CR
CLKIN Rise Time
0
4
ns
11
T
CF
CLKIN Fall Time
0
4
ns
11
Synchronous Outputs
1, 2, 3, 6
T
OV1
, T
OH1
Output Valid Delay and Output Hold for all
outputs except DT/R, BLAST and BREQ for
3.3 V and 5 V inputs and I/Os.
1.5
9.5
ns
T
OV2
, T
OH2
Output Valid Delay and Output Hold for DT/R
80960HA
80960HD
80960HT
T/2 + 1.5
3T/4 + 1.5
5T/6 + 1.5
T/2 + 9.5
3T/4 + 9.5
5T/6 + 9.5
ns
ns
ns
T
OV3
, T
OH3
Output Valid Delay and Output Hold for BLAST
1.5
9
ns
T
OV4
, T
OH4
Output Valid Delay and Output Hold for BREQ
0.5
9
ns
T
OV5
, T
OH5
Output Valid Delay and Output Hold for A3:2
1.5
8.5
T
OF
Output Float for all outputs
1.5
9
ns
11
Synchronous Inputs
1, 7, 8, 9
T
IS1
Input Setup for all inputs except
READY, BTERM,
HOLD, and BOFF
2.5
ns
T
IH1
Input Hold for all inputs except
READY, BTERM,
HOLD, and BOFF
2.5
ns
NOTE: See
Table 24, “AC Characteristics Notes” on page 44
for all notes related to AC specifications.