![](http://datasheet.mmic.net.cn/290000/XPC801ZP25_datasheet_16187868/XPC801ZP25_495.png)
Electrical Characteristics
20-8
MPC801 USER’S MANUAL
MOTOROLA
20
B29g
CS Negated To D(0:31), DP(0:3) Hi-Z-GPCM-Write
Access, TRLX=0, CSNT=1, ACS=10 or ACS=11,
EBDF=1
52
—
24
—
ns
B29h
WE(0:3) Negated To D(0:31), DP(0:3) Hi-Z-GPCM-
Write Access,TRLX = ‘1’, CSNT = ‘1’, EBDF=1
52
—
24
—
ns
B29i
CS Negated To D(0:31), DP(0:3) Hi-Z-GPCM-Write
Access, TRLX=1, CSNT=1, ACS=10 or ACS=11,
EBDF=1
—
—
—
—
—
B29
CLKOUT Rising Edge To CS Negated -GPCM-
Read Access
TCC + 1
3
10
2
8
ns
B30
A(6:31) To CS Asserted -GPCM- ACS = 10,
TRLX = 0
8
—
3
—
ns
B30a
A(6:31) To CS Asserted -GPCM- ACS = 11,
TRLX = 0
18
—
8
—
ns
B31
CLKOUT Rising Edge To OE, WE(0:3) Asserted
—
11
—
9
ns
B32
CLKOUT Rising Edge To OE Negated
3
11
2
9
ns
B33
A(6:31) To CS Asserted -GPCM- ACS = 10,
TRLX = 1
48
—
23
—
ns
B33a
A(6:31) To CS Asserted -GPCM- ACS = 11,
TRLX = 1
58
—
28
—
ns
B34
CLKOUT Rising Edge To WE(0:3) Negated -
GPCM-Write Access CSNT = ‘0‘
—
11
—
9
ns
B34a
CLKOUT Falling Edge To WE(0:3) Negated -
GPCM-Write Access TRLX = ‘0’, CSNT = ‘1’.
0.25TC + TCC + 1
10
20
5
13
ns
B34b
CLKOUT Falling Edge To CS Negated-GPCM-
Write Access TRLX = ‘0’, CSNT = ‘1’, ACS = ‘10’ Or
ACS=’11’
0.25TC + TCC + 1
—
20
—
13
ns
B35
WE(0:3) Negated To D(0:31), DP(0:3) Hi-Z-GPCM-
Write Access, CSNT = ‘0’
8
—
3
—
ns
B35a
WE(0:3) Negated To D(0:31), DP(0:3) Hi-Z-GPCM-
Write Access,TRLX = ‘0’, CSNT = ‘1’
18
—
8
—
ns
B35b
CS Negated To D(0:31), DP(0:3) Hi-Z -GPCM-
Write Access, ACS = ‘00’,
TRLX = ‘0’ & CSNT = ‘0’
8
—
3
—
ns
B35c
CS Negated To D(0:31), DP(0:3) Hi-Z -GPCM-
Write Access,TRLX = ‘0’, CSNT = ‘1’, ACS = ‘10’ or
ACS=’11’
18
—
8
—
ns
B35d
WE(0:3) Negated To D(0:31), DP(0:3) Hi-Z -GPCM-
Write Access,TRLX = ‘1’, CSNT = ‘1’
58
—
28
—
ns
B35e
CS Negated To D(0:31), DP(0:3) Hi-Z -GPCM-
Write Access,TRLX = ‘1’, CSNT = ‘1’, ACS = ‘10’
Or ACS=’11’
58
—
28
—
ns
B36
CS, WE(0:3) Negated To A(6:31) Invalid -GPCM-
Write Access.
6
8
—
3
—
ns
Table 20-1. Bus Operation Timing (Continued)
NUM
CHARACTERISTIC
EXPRESSION
25 MHZ
40 MHZ
UNIT
MIN
MAX
MIN
MAX