ADSP-BF514BBCZ-3 View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

ADSP-BF514BBCZ-3

DSP Microcomputer

Analog Devices 

ADSP-BF512/BF512F, BF514/BF514F, BF516/BF516F, BF518/BF518F

Asynchronous Memory Write Cycle Timing

Table 27. Asynchronous Memory Write Cycle Timing

Parameter

Timing Requirements

tSARDY

ARDY Setup Before CLKOUT

tHARDY

ARDY Hold After CLKOUT

Switching Characteristics

tDDAT

tENDAT

tDO

tHO

DATA15–0 Disable After CLKOUT

DATA15–0 Enable After CLKOUT

Output Delay After CLKOUT1

Output Hold After CLKOUT 1

1 Output pins/balls include AMS3–0, ABE1–0, ADDR19–1, DATA15–0, AOE, AWE.

Min

Max

Unit

4

ns

0.2

ns

6

ns

0

ns

6

ns

0.8

ns

CLKOUT

AMSx

SETUP

2 CYCLES

PROGRAMMED

WRITE

ACCESS

2 CYCLES

ACCESS

EXTEND HOLD

1 CYCLE 1 CYCLE

tDO

tHO

ABE1–0

ADDR19–1

AWE

ARDY

DATA 15–0

tDO

tSARDY

tHARDY

tENDAT

tSARDY

tHO

tHARDY

tDDAT

Figure 11. Asynchronous Memory Write Cycle Timing

Rev. B | Page 30 of 68 | January 2011

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