![](http://datasheet.mmic.net.cn/290000/XPC801ZP25_datasheet_16187868/XPC801ZP25_494.png)
Electrical Characteristics
MOTOROLA
MPC801 USER’S MANUAL
20-7
20
B22a
TEA, KR, RETRY, CR Valid To CLKOUT
(Setup Time)
11
—
10
—
ns
B23
CLKOUT To TA, TEA, BI, BB, BG, BR Valid (Hold
Time).
2
2
—
2
—
ns
B23a
CLKOUT To KR, RETRY, CR Valid (Hold Time)
2
—
2
—
ns
B24
D(0:31), DP(0:3) Valid To CLKOUT Rising Edge
(Setup Time).
6
—
6
—
ns
B25
CLKOUT Rising Edge To D(0:31), DP(0:3) Valid
(Hold Time).
2
—
1
—
ns
B26
D(0:31), DP(0:3) Valid To CLKOUT Falling Edge
(Setup Time)
4
—
4
—
ns
B27
CLKOUT Falling Edge To D(0:31), DP(0:3) Valid
(Hold Time)
2
—
2
—
ns
B28a
CLKOUT Falling Edge To WE(0:3) Negated-
GPCM-Write Access TRLX=0, CSNT=1, EBDF=0
0.25TC + TCC + 1
10
20
5
13
ns
B28b
CLKOUT Falling Edge To CS Negated-GPCM-
Write Access TRLX=0, CSNT=1, ACS=10, or
ACS=11, EBDF=0
0.25TC + TCC + 1
—
20
—
13
ns
B28c
CLKOUT Falling Edge To WE(0:3) Negated-
GPCM-Write Access TRLX=0, CSNT=1, EBDF=0
0.375TC + TCC + 1
14
25
7
16
ns
B28d
CLKOUT Falling Edge To CS Negated-GPCM-
Write Access TRLX=0, CSNT=1, ACS=10, or
ACS=11, EBDF=0
0.25TC + TCC + 1
—
25
—
16
ns
B28
CLKOUT Rising Edge To CS Asserted -GPCM-
ACS = 00
0.25TC+TCC+1
10
20
5
13
ns
B29a
WE(0:3) Negated To D(0:31), DP(0:3) High Z-
GPCM- Write Access, TRLX = ‘0’, CSNT = ‘1’,
EBDF=0
18
—
8
—
ns
B29a
CLKOUT Falling Edge To CS Asserted -GPCM-
ACS = 10, TRLX = 0
TCC + 1
—
10
—
8
ns
B29b
CLKOUT Falling Edge To CS Asserted -GPCM-
ACS = 11, TRLX = 0
0.25TC+TCC+1
10
20
5
13
ns
B29b
CS Negated To D(0:31), DP(0:3) High Z-GPCM-
Write Access, ACS=00, TRLX=0, CSNT=0
8
—
3
—
ns
B29c
CS Negated To D(0:31), DP(0:3) High Z-GPCM-
Write Access, TRLX=0, CSNT=1, ACS=10 or
ACS=11, EBDF=0
18
—
8
—
ns
B29d
WE(0:3) Negated To D(0:31), DP(0:3) High Z-
GPCM- Write Access,TRLX = ‘1’, CSNT = ‘1’,
EBDF=0
58
—
28
—
ns
B29e
CS Negated To D(0:31), DP(0:3) High Z-GPCM-
Write Access, TRLX=1, CSNT=1, ACS=10 or
ACS=11, EBDF=0
58
—
28
—
ns
B29f
WE(0:3) Negated To D(0:31), DP(0:3) High Z-
GPCM- Write Access, TRLX = ‘0’, CSNT = ‘1’,
EBDF=1
12
—
5
—
ns
Table 20-1. Bus Operation Timing (Continued)
NUM
CHARACTERISTIC
EXPRESSION
25 MHZ
40 MHZ
UNIT
MIN
MAX
MIN
MAX