Bus Signal Timing
Table 9-6. Bus Operation Timings (continued)
33 MHz
Min Max
7.58 13.58 6.25 12.25 5.00 11.00 3.80 11.29 ns
40 MHz
50 MHz
66 MHz
Num
Characteristic
Unit
Min Max
Min Max
Min
Max
B11 CLKOUT to TS, BB assertion
B11a CLKOUT to TA, BI assertion (when
driven by the memory controller or
PCMCIA interface)
2.50
9.25
2.50
9.25
2.50
9.25
2.50
9.75
ns
B12 CLKOUT to TS, BB negation
7.58 14.33 6.25 13.00 5.00 11.75 3.80
2.50 11.00 2.50 11.00 2.50 11.00 2.50
8.54
9.00
ns
ns
B12a CLKOUT to TA, BI negation (when
driven by the memory controller or
PCMCIA interface)
B13 CLKOUT to TS, BB High-Z
7.58 21.58 6.25 20.25 5.00 19.00 3.80 14.04 ns
2.50 15.00 2.50 15.00 2.50 15.00 2.50 15.00 ns
B13a CLKOUT to TA, BI High-Z (when
driven by the memory controller or
PCMCIA interface)
B14 CLKOUT to TEA assertion
B15 CLKOUT to TEA High-Z
2.50 10.00 2.50 10.00 2.50 10.00 2.50
9.00
ns
2.50 15.00 2.50 15.00 2.50 15.00 2.50 15.00 ns
B16 TA, BI valid to CLKOUT (setup time) 9.75
—
—
9.75
—
—
9.75
—
—
6.00
4.50
—
—
ns
ns
B16a TEA, KR, RETRY, CR valid to
CLKOUT (setup time)
10.00
10.00
10.00
B16b BB, BG, BR, valid to CLKOUT (setup 8.50
—
—
—
—
—
—
—
8.50
1.00
2.00
6.00
1.00
4.00
2.00
—
—
—
—
—
—
—
8.50
1.00
2.00
6.00
1.00
4.00
2.00
—
—
—
—
—
—
—
4.00
2.00
2.00
6.00
2.00
4.00
2.00
—
—
—
—
—
—
—
ns
ns
ns
ns
ns
ns
ns
5
time)
B17 CLKOUT to TA, TEA, BI, BB, BG, BR 1.00
valid (hold time)
B17a CLKOUT to KR, RETRY, CR valid
(hold time)
2.00
6.00
1.00
4.00
2.00
B18 D(0:31), DP(0:3) valid to CLKOUT
6
rising edge (setup time)
B19 CLKOUT rising edge to D(0:31),
6
DP(0:3) valid (hold time)
B20 D(0:31), DP(0:3) valid to CLKOUT
7
falling edge (setup time)
B21 CLKOUT falling edge to D(0:31),
7
DP(0:3) valid (hold time)
B22 CLKOUT rising edge to CS asserted 7.58 14.33 6.25 13.00 5.00 11.75 3.80 10.04 ns
GPCM ACS = 00
B22a CLKOUT falling edge to CS asserted
GPCM ACS = 10, TRLX = 0
—
8.00
—
8.00
—
8.00
—
8.00
ns
B22b CLKOUT falling edge to CS asserted 7.58 14.33 6.25 13.00 5.00 11.75 3.80 10.54 ns
GPCM ACS = 11, TRLX = 0,
EBDF = 0
MOTOROLA
MPC860 Family Hardware Specifications
15
MOTOROLA [ MOTOROLA ]
