IS80LV52 Datasheet, PDF (44/48 Pages) Integrated Silicon Solution, Inc – CMOS SINGLE CHIP LOW VOLTAGE 8-BIT MICROCONTROLLER

IS80LV52
IS80LV32
ISSI ^®
EXTERNAL MEMORY CHARACTERISTICS
(Continued)
Symbol Parameter
24 MHz
Clock
Min Max
tXLXL
Serial port clock cycle time
500 —
tQVXH
Output data setup to
clock rising edge
284 —
tXHQX
Output data hold after
clock rising edge
33 —
tXHDX
Input data hold after
clock rising edge
0—
tXHDV
Clock rising edge to
input data valid
— 284
40 MHz
Clock
Min Max
250 —
170 —
33 —
0—
— 117
Variable Oscillator
(3.5-24 MHz)
Min
Max
12tCLCL–10
—
10tCLCL–133
—
Unit
ns
ns
2tCLCL–50
—
ns
0
—
ns
—
10tCLCL–133 ns
EXTERNAL CLOCK DRIVE
Symbol
1/tCLCL
tCHCX
tCLCX
tCLCH
tCHCL
wParameter
Oscillator Frequency
High time
Low time
Rise time
Fall time
Min
Max
Unit
3.5
40
MHz
10
—
ns
10
—
ns
—
10
ns
—
10
ns
ROM VERIFICATION CHARACTERISTICS
Symbol
1/tCLCL
tAVQV
tELQV
tEHQZ
Parameter
Oscillator Frequency
Address to data valid
ENABLE low to data valid
Data float after ENABLE
Min
Max
Unit
2.5
40
MHz
—
48tCLCL
—
48tCLCL
0
48tCLCL
44
Integrated Silicon Solution, Inc. — 1-800-379-4774
ADVANCE INFORMATION MC019-0A
10/01/98