Chapter 13: Specifications and Characteristics
Emulator Specifications and Characteristics
AC Electrical Specifications (64751-66506 and lower active probe board numbers) — Read and
Write Cycles
(Vcc = 5.0 Vdc +/-5%; GND = 0 Vdc; T
Num.
Characteristic
4
30
CLKOUT Low to Data-In Invalid
(Synchronous Hold)
4
30A
CLKOUT Low to Data-In High Impedance
5
31
DSACKx Asserted to Data-In Valid
32
HALT and RESET Input Transition Time
33
CLKOUT Low to BG Asserted
34
CLKOUT Low to BG Negated
7
35
BR Asserted to BG Asserted (RMC Not
Asserted)
37
BGACK Asserted to BG Negated
39
BG Width Negated
39A BG Width Asserted
46
R/W Width Asserted (Write or Read)
46A R/W Width Asserted (Sync. Write or Read)
47A Asynchronous Input Setup Time
47B
Asynchronous Input Hold Time
8
48
DSACKx Asserted to BERR, HALT Asserted
53
Data-Out Hold from CLKOUT High
54
CLKOUT High to Data-Out High Impedance
55
R/W Asserted to Data Bus Impedance Change
488
= T
to T
)
A
L
H
MC68340
16.78 MHz
Symbol
Min
t
15
CLDI
t
—
CLDH
t
—
DADI
t
RHrf
t
—
CLBA
t
—
CLBN
t
BRAGA
t
GAGN
t
GH
t
GA
t
150
RWA
t
90
RWAS
t
AIST
t
15
AIHT
t
—
DABA
t
DOCH
t
—
CHDH
t
40
RADC
HP 64751
Max
Min
Max
—
15
—
90
—
90
50
—
50
0
200
0
200
30
—
30
30
—
30
1
—
1
—
1
2.5
1
2
2
—
2
—
1
—
1
—
—
150
—
—
90
—
5
—
5
—
—
15
—
30
—
30
0
—
0
—
30
—
30
—
40
—
Unit
ns
ns
ns
ns
ns
ns
clks
clks
clks
clks
ns
ns
ns
ns
ns
ns
ns
ns