PACE1753/SOS
AC ELECTRICAL CHARACTERISTICS
(V = 4.5V)
CC
20 MHz
25MHz
30 MHz
Symbol
Parameter
MMU Cache Hit
TSTRBD (EXT ADR ERR) External Address Error
Min Max Min Max Min Max Unit
TD/I (EXT ADR)
27
37
23
33
21
30
ns
ns
V
L
TC (IBD CORR)
IBD (SING ERR)
Error Correction Read Cycle
Error Correction Read Cycle
32
37
28
33
26
31
ns
ns
V
H
TC (SING ERR)
Error Correction Read Cycle
EDAC or Parity Write Cycle
MMU Cache Miss
27
32
27
27
36
27
34
34
34
34
32
40
36
64
27
37
27
52
42
67
52
38
23
28
23
23
32
23
30
30
30
30
28
38
32
60
23
33
23
48
38
63
48
34
21
26
21
21
30
21
28
28
28
28
26
36
30
58
21
31
21
46
36
61
46
32
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
L
TIBD (EDC GEN)
V
V
TSTRBD (EX RDY)
L
TC (EX RDY)
MMU Cache Miss
H
TC (WR PROT)
MMU Cache Miss
L
TSTRBD (WR PROT)
MMU Cache Miss
H
H
TC (GNT1)
TC (GNT0)
TC (GNT0)
TC (GNT1)
Arbiter LOW to HIGH Priority
Arbiter LOW to HIGH Priority
Arbiter HIGH to LOW Priority
Arbiter HIGH to LOW Priority
Address Ready
H
L
H
L
TC (RDYA)
TFC (IB OUT)
Clock to IB Out Valid (I/O Read)
Parity Mode
V
TIBD (MEM PAR ERR)
IN
TC (MEM PRT ERR)
TSTRBD (WR PROT)
Memory Protect Error
Write Protect Cache Hit
Write Protect Cache Miss
Write Protect Cache Miss
Cache Hit (BPU Protection Error)
Cache Hit (MMU Key-Lock Error)
Cache Miss (BPU Protection Error)
Cache Hit (MMU Key-Lock Error)
Clock to EXT ADR Valid (Miss)
TC (WR PROT)
L
TSTRBD (WR PROT)
H
H
TD/I (PROT FLAG)
TD/I (PROT FLAG)
TC (PROT FLAG)
TC (PROT FLAG)
TC (EXT ADR)
Notes:
1. 4.5V ≤ V ≤ 5.5V, –55°C ≤ T ≤ +125°C. Unless otherwise specified, testing shall be conducted at worst-case conditions.
CC
C
2. V = –3.0V for pulse widths less than or equal to 20ns.
IL
3. Duration of the short should not exceed one second; only one output may be shorted at a time.
4. Pulse width of WR PROT/PROT FLAG shall be ≥ 80% of STRBD pulse width.
5. Functional tests shall consist of the same functional tests used when testing the equivalent bulk CMOS, MIL-STD-883 compliant, Class B SMD
5962-89505device.
Do c um e nt # MICRO-8 REV B
Pa g e 4 o f 17
PYRAMID [ PYRAMID SEMICONDUCTOR CORPORATION ]
