MB91F464HB datasheet(95/105 Pages) CYPRESS

Part #	MB91F464HB

Description	32-bit RISC, load/store architecture, five-stage pipeline

PDF	105 Pages

Scroll/Zoom	100%

Manufacturer	CYPRESS [Cypress Semiconductor]

Direct Link	http://www.cypress.com

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95 / 105 page

Document Number: 002-04621 Rev. *A

Page 95 of 105

MB91460H Series

15.7.7 External Bus AC Timings at VDD35 = 3.0 to 5.5 V

• Conditions during AC measurements

All AC tests were measured under the following conditions:

-IOdrive = 5 mA

-VDD35 = 4.5 V to 5.5 V, Iload = 3 mA

-VSS5 = 0 V

- Ta = - 40 °C to + 105 °C

-Cl = 50 pF

- VOL = 0.5 × VDD35

- VOH = 0.5 × VDD35

- EPILR = 0, PILR = 1 (Automotive Level = worst case)

Basic Timing

(VDD35 = 3.0 V to 5.5 V, Vss5 = AVss5 = 0 V, TA = 40 °C to + 105 °C)

Note : tCLKT is the cycle time of the external bus clock.

Parameter

Symbol

Pin name

Value

Unit

Min

Max

SYSCLK

tCLCH

SYSCLK

1/2 × tCLKT - 1

1/2 × tCLKT + 9

tCHCL

1/2 × tCLKT - 9

1/2 × tCLKT + 1

SYSCLK ↓ to CSXn delay time

tCLCSL

SYSCLK

CSXn

—8

tCLCSH

—12

SYSCLK ↑ to CSXn delay time

(Addr → CS delay)

tCHCSL

- 6

+ 1

SYSCLK ↓ to Address valid delay time

tCLAV

SYSCLK

A21 to A0

—13

MB91F464HB Datasheet(PDF) 95 Page - Cypress Semiconductor

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