PACE 1757 M/ME
SIGNAL PROPAGATION DELAYS
20 MHz
30 MHz
35 MHz
40 MHz
Symbol
TC(BR)L
TC(BR)H
TBGV(C)
TC(BG)X
TC(BB)L
TC(BB)H
TBBV(C)
TC(BB)X
TC(BL)L
TC(BL)H
TBLV(C)
TC(BL)X(IN)
TC(ST)V
Description
BUS REQUEST
MIN
MAX
33
33
MIN
MAX MIN MAX MIN
MAX
22
22
25
25
22
22
- Setup
- Hold
5
5
5
5
5
5
5
5
BUSGRANT
BUSGRANT
BUS BUSY
25
25
24
20
22
18
20
17
- Setup
- Hold
5
5
5
5
5
5
5
5
BUS BUSY
BUS BUSY
BUS LOCK
30
30
25
20
23
19
21
17
- Setup
- Hold
5
5
5
5
5
5
5
5
BUS LOCK
BUS LOCK
M/
IO
30
30
25
25
25
20
23
23
20
20
20
20
R/
W
AS0:AS3, AK0:AK3, D/
I
TC(ST)X
M/ , R/ , AS0:AS3, AK0:AK3, D/
0
0
0
0
IO
W
I
TC(SA)H
STRBA
22
22
17
17
16
16
16
16
TC(SA)L
TSAL(IBA)X
TRAV(C)
Address Hold from STRBA(L)
RDYA - Setup
5
5
5
5
5
5
5
5
5
5
5
5
TC(RA)X
RDYA - Hold
TC(SDW)L
TC(SD)H
22
22
22
17
17
17
16
16
16
14
14
14
STRBD
TFC(SDR)L
TIBDX(SDR)H
TSDWH(IBD)X
TSDL(SD)H(Write)
TRD(RD)X
TC(RD)X
0
30
40
5
0
25
26
5
0
21
23
5
0
17
20
5
RDYD - Setup
RDYD - Hold
IB0:IB15
5
5
5
5
TC(IBA)V
30
25
23
20
TFC(IBA)X
TIBDRV(C)
TC(IBD)X(Read)
TC(IBD)X(Write)
TFC(IBD)V
TC(SNW)
0
5
5
0
0
5
5
0
0
5
5
0
0
5
5
0
- Setup
- Hold
DATAVALID (OUT)
30
30
30
40
40
40
60
50
25
26
26
35
35
35
50
40
23
24
24
33
33
33
47
35
20
22
22
30
30
30
45
30
SNEW
TFC(TGO)
TRSTL(DMA EN)L
TC(DME)
TRIGO RST
DMA ENABLE
TFC(NPU)
TC(ER)
NORMAL POWER-UP
CLK TO MAJER (UNRCV ER)
RESET
TRSTL(NPU)
TREQV(C)
TC(REQ)X
TFV(BB)H
0
10
5
0
10
5
0
10
5
0
10
5
CON REQ
LEVEL SENSITIVEFAULTS
TBBH(F)X
5
5
5
5
TIRV(C)
IOL 1/2 INT. USR
(0:5) - Setup
0
0
0
0
INT
TC(IR)X
PWRDN INT, LEVEL SENSITIVE- HOLD
RESET PULSE WIDTH
10
25
10
20
10
18
10
15
TRSTL(TRSTH)
TC(XX)Z
CLK TO TRI-STATE
22
17
15
13
Note 1: Units = ns
Do c um e nt # MICRO-10 REV B
Pa g e 8 o f 34
PYRAMID [ PYRAMID SEMICONDUCTOR CORPORATION ]
