AC Electrical Specifications (64751-66508 and higher active probe board numbers) — Read and
Write Cycles
(Vcc = 5.0 Vdc +/-5%; GND = 0 Vdc; T
Num.
Characteristic
6
CLKOUT High to Address, FC, SIZE, RMC
Valid
7
CLKOUT High to Address, Data, FC, SIZE,
RMC High Impedance
8
CLKOUT High to Address, FC, SIZE, RMC
Invalid
9
CLKOUT Low to AS, DS,
CS, IACK,
A
IFETCH
, IPIPE
2
9A
AS to DS or CS Asserted (Read)
11
Address, FC, SIZE, RMC Valid to AS, CS
(and DS Read) Asserted
12
CLKOUT Low to AS, DS,
CS, IACK,
A
IFETCH
, IPIPE
13
AS, DS, CS, IACK Negated to Address, FC,
SIZE Invalid (Address Hold)
14
AS, CS (and DS Read) Width Asserted
14A DS Width Asserted Write
14B
AS, CS, IACK, (and DS READ) Width
Asserted (Sync Cycle)
3
15
AS, DS, CS Width Negated
= T
to T
A
L
A
Asserted
A
Negated
Chapter 13: Specifications and Characteristics
Emulator Specifications and Characteristics
)
H
MC68340
25.16 MHz
Symbol
Min
Max
t
0
20
CHAV
t
0
40
CHAZx
t
0
—
CHAZn
t
3
20
CLSA
3
20
3
20
t
-6
6
STSA
t
10
—
AVSA
t
3
20
CLSN
3
20
3
20
t
10
—
SNAI
t
70
—
SWA
t
30
—
SWAW
t
30
—
SWDW
t
30
—
SN
HP 64751
Min
Max
Unit
0
20
ns
0
40
ns
0
—
ns
0
23
ns
3
20
ns
—
—
ns
-8
8
ns
10
—
ns
0
23
ns
3
20
ns
—
—
ns
10
—
ns
70
—
ns
30
—
ns
30
—
ns
30
—
ns
481