st2604b Sitronix Technology Corporation, st2604b Datasheet - Page 9

• Manufacturer Part Number: st2604b
• Description: 8-bit Integrated Microcontroller
• Manufacturer: Sitronix Technology Corporation

6.3 AC Electrical Characteristics
Standard operation conditions: VCC = 3.0V, GND = 0V, T
Symbol
tSA
tHA
tWLC
tCLWL
tWHCH
tSDW
tHDW
tCLRL
tRHCH
tSDR
tHDR
tR
tF
TABLE 6-1 Timing parameters for FIGURE 6-1 and FIGURE 6-2
Address setup time
Address hold time
CS asserted to
CS negated after
CS asserted to data-out is valid
Data-out hold time after
CS asserted to
CS negated after
Data-in valid before
Data-in hold time after
Signal rise time
Signal fall time
CS “ L” pulse width
FIGURE 6-2 External Write Timing Diagram
FIGURE 6-1 External Read Timing Diagram
Characteristic
W
R
D
R
W
R
asserted
D
asserted
R
R
is negated
is negated
D
R
is negated
W
D
R
is negated
is negated
9/33
A
= 25°C
Min.
166
10
20
10
30
10
—
—
—
—
—
—
0
1/2 tWLC
1/2 tWLC
1/2 tWLC
Rating
Typ.
20
10
—
—
—
—
—
—
—
—
Max.
10
—
—
—
—
—
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ST2604B