MB90570A Datasheet, PDF (97/120 Pages) Fujitsu Component Limited. – 16-bit Proprietary Microcontroller

MB90570A/570C Series
(13) Chip Select Output Timing
Parameter
Symbol
(AVCC = VCC = 5.0 V ±10%, AVSS = VSS = 0.0 V, TA = –40°C to +85°C)
Pin name
Condition
Value
Min
Max
Unit Remarks
Valid chip select output
→ Valid data input time
tSVDV
CS0 to CS7,
AD15 to AD00
—
5 tCP*/2 – 60 ns
RD ↑ → chip select
output effective time
WR ↑ → chip select
output effective time
tRHSV
tWHSV
RD,
CS0 to CS7
CS0 to CS7,
WRL, WRH
1 tCP*/2 – 10
—
ns
—
1 tCP*/2 – 10
—
ns
Valid chip select output
→ CLK ↑ time
tSVCH
CLK,
CS0 to CS7
1 tCP*/2 – 20
—
ns
* : For tCP (internal operating clock cycle time), refer to “(3) Clock Timings.”
CLK
tSVCH
2.4 V
RD
A23 to A16
CS0 to CS7
AD15 to AD00
WRL, WRH
0.8 V
tSVDV
2.4 V
tRHSV
2.4 V
2.4 V
Read data
0.8 V
tWHSV
2.4 V
AD15 to AD00
Write data
DS07-13701-9E
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