IS80C286-20 Intersil, IS80C286-20 Datasheet - Page 34

• Manufacturer Part Number: IS80C286-20
• Description: IC CPU 16BIT 5V 20MHZ 68-PLCC
• Manufacturer: Intersil

Specifications of IS80C286-20

• Processor Type: 80C286 16-Bit
• Speed: 20MHz
• Voltage: 5V
• Mounting Type: Surface Mount
• Package / Case: 68-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Features: -

Processor Extension Transfers
A
D
A
D
S0 • S1
S0 • S1
MWTC
23
15
MWTC
MRDC
23
15
DT/R
DT/R
CLK
DEN
CLK
DEN
- A
- D
- A
- D
0
0
0
0
T
T
I
I
φ2
φ2
φ1
φ1
VALID ADDR N-1
T
T
S
FIGURE 27. BACK TO BACK WRITE-WRITE CYCLE
S
FIGURE 26. BACK TO BACK WRITE-READ CYCLE
WRITE CYCLE N-1
φ2
VALID
φ2
WRITE CYCLE
φ1
φ1
VALID WRITE DATA
VALID DATA N-1
T
T
C
C
φ2
80C286
φ2
34
φ1
φ1
VALID ADDR N
T
T
S
S
WRITE CYCLE N
VALID
φ2
φ2
READ CYCLE
φ1
φ1
T
VALID DATA N
T
C
C
φ2
φ2
READ DATA
VALID
φ1
φ1
T
T
I
I
φ2
φ2
(HIGH)