ST2601B
7.3 AC Electrical Characteristics
FIGURE 7-1 External Read Timing Diagram
FIGURE 7-2 External Write Timing Diagram
TABLE 7-1 Timing parameters for FIGURE 7-1 and FIGURE 7-2
Standard operation conditions: VCC = 3.0V, GND = 0V, TA = 25°C
Rating
Typ.
Symbol
Characteristic
Address setup time
Address hold time
CS “L” pulse width
Unit
Min.
—
0
166
—
Max.
10
—
tSA
tHA
tWLC
tCLWL
—
—
—
ns
ns
ns
ns
—
1/2 tWLC
—
CS asserted to RWasserted
ns
tWHCH
tSDW
10
—
20
—
1/2 tWLC
—
—
—
CS negated after RWis negated
CS asserted to data-out is valid
Data-out hold time after RWis negated
ns
ns
tHDW
ns
ns
ns
ns
tCLRL
tRHCH
tSDR
—
10
30
1/2 tWLC
—
—
—
CS asserted to
asserted
RD
—
—
CS negated after
RD
Data-in valid before
is negated
is negated
RD
tHDR
tR
tF
10
—
—
—
20
10
—
—
—
Data-in hold time after
Signal rise time
Signal fall time
is negated
RD
ns
ns
11/35
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