stlc5465 STMicroelectronics, stlc5465 Datasheet - Page 63

• Manufacturer Part Number: stlc5465
• Description: Multi Hdlc With Switching Matrix Associated
• Manufacturer: STMicroelectronics

VII - MICROPROCESSOR TIMING (continued)
VII.6 - 68000 MOD0=0, MOD1=0, MOD2=1
Figure 52 : 68000 Read Cycle
Symbol
t1
t2
t3
t4
t5
t6
t7
t8
NCS0/1
NDTACK
NAS/ALE
SIZE0/NLDS
SIZE1/NUDS
A1/23
R/W / NWR
D0/15
Delay NDTACK / NCS0/1 (if t3 > t1), (30pF)
Delay when immediate access
Hold Time Chip Select / NLDS-NUDS
Delay NDTACK / NLDS-NUDS Falling Edge (if t1> t3), (30pF)
Delay when immediate access
Delay NDTACK / NLDS-NUDS Rising Edge
Set-up Time Address and R/W / last NLDS-NUDS or NCS
Hold Time Address and R/W / NLDS-NUDS
Data Valid after NDTACK Falling Edge (30pF)
Data High Impedance after NLDS-NUDS Rising Edge (30pF)
Parameter
t5
A1/23
t1
t3
V
V
V
V
V
V
DD
DD
DD
DD
DD
DD
= 5V
= 5V
t7
= 3.3V
= 3.3V
= 5V
= 3.3V
Min.
0
0
0
0
0
0
0
0
0
0
0
t2
t4
t6
t8
Typ.
Max.
STLC5465B
108
108
98
98
20
30
15
15
Unit
63/101
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns