HP 64751 User Manual page 482

Chapter 13: Specifications and Characteristics
Emulator Specifications and Characteristics
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
16 CLKOUT High to AS, DS,
R/W High Impedance
17 AS, DS, CS Negated to R/W High
18 CLKOUT High to R/W High
20 CLKOUT High to R/W Low
21 R/W High to AS, CS Asserted
22 R/W Low to DS Asserted (Write)
23 CLKOUT High to Data-Out Valid
24 Data-Out Valid to Negating Edge of AS, CS
(Synchronous Write)
25 DS, CS Negated to Data-Out Invalid
(Data-Out Hold)
26 Data-Out Valid to DS Asserted (Write)
27 Data-In Valid to CLKOUT Low (Data Setup)
27A Late BERR, HALT,
B
BKPT Asserted to CLKOUT Low
(Setup Time)
28 AS, DS Negated to DSACKx, BERR, HALT
4
29 DS Negated to Data-In Invalid (Data-In Hold)
4
29A DS Negated to Data-In High Impedance
482
= T to T )
A L H
MC68340
25.16 MHz
Symbol Min
t —
CHSZ
—
t 10
SNRN
t
CHRH
t
CHRL
t 10
RAAA
t 47
RASA
t —
CHDO
t 10
DVASN
t 10
SNDOI
t 10
DVSA
t
DICL
t 10
BELCL
10
t
SNDN
t
SNDI
t —
SHDI
HP 64751
Max Min Max
60 — 0.5t
cyc
60 — 40
— 10 —
0 20 0 20
0 20 0 20
— 10 —
— 47 —
20 — 23
— 10 —
— 10 —
— 9 —
5 — 8 —
— 10 —
— — —
0 50 0 50
0 — 0 —
40 — 40
Unit
+30 ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns