MB9AF112LMA datasheet(77/121 Pages) SPANSION

77 / 121 page

D a t a S h e e t

MB9A110A-DS706-00011-3v0-E, December 16, 2014

CONFIDENTIAL

(7) External Bus Timing

 External bus clock output Characteristics

(Vcc = 2.7V to 5.5V, Vss = 0V, Ta = - 40°C to + 105°C)

Parameter

Symbol

Pin name

Conditions

Value

Unit

Min

Max

Output frequency

tCYCLE

MCLKOUT

Vcc ≥ 4.5 V

MHz

Vcc < 4.5 V

MHz

Minimum clock cycle

time

Vcc ≥ 4.5 V

Vcc < 4.5 V

31.25

Note: The external bus clock output is a divided clock of HCLK. For more information about setting of clock

divider, see "CHAPTER 12: External Bus Interface" in "FM3 Family PERIPHERAL MANUAL"

When external bus clock is not output, this characteristic does not give any effect on external bus

operation.

 External bus signal input/output Characteristics

(Vcc = 2.7V to 5.5V, Vss = 0V, Ta = - 40°C to + 105°C)

Parameter

Symbol

Conditions

Value

Unit

Remarks

Signal input characteristics

VIH

0.8 × VCC

VIL

0.2 × VCC

Signal output characteristics

VOH

0.8 × VCC

VOL

0.2 × VCC

VIH

VIL

VIH

VOH

VOL

VOH

MCLKOUT

Input signal

Output signal

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