Cypress Semiconductor CY7C1364C Manual do Utilizador descarregar pdf (Página 22)

CY7C1360V25

CY7C1362V25

CY7C1364V25

PRELIMINARY

Switching Characteristics

Over the Operating Range

[12, 13, 14]

-200 -166 -133 -100

Parameter Description

Min. Max. Min. Max. Min. Max. Min. Max. Unit

CYC

Clock Cycle Time 5.0 6.0 7.5 10 ns

Clock HIGH 1.6 1.7 1.9 3.2 ns

Clock LOW 1.6 1.7 1.9 3.2 ns

Address Set-Up Before CLK Rise 1.5 1.5 2.0 2.0 ns

Address Hold After CLK Rise 0.5 0.5 0.5 0.5 ns

Data Output Valid After CLK Rise 3.1 3.5 4.2 5.0 ns

DOH

Data Output Hold After CLK Rise 1.0 1.5 1.5 1.5 ns

ADS

ADSP, ADSC Set-Up Before CLK

Rise

1.5 1.5 2.0 2.0 ns

ADH

ADSP, ADSC Hold After CLK Rise 0.5 0.5 0.5 0.5 ns

WES

BWE, GW, BW

Set-Up Before CLK

Rise

1.5 1.5 2.0 2.0 ns

WEH

BWE, GW, BW

Hold After CLK Rise 0.5 0.5 0.5 0.5 ns

ADVS

ADV Set-Up Before CLK Rise 1.5 1.5 2.0 2.0 ns

ADVH

ADV Hold After CLK Rise 1.5 1.5 0.5 0.5 ns

Data Input Set-Up Before CLK Rise 1.5 1.5 2.0 2.0 ns

Data Input Hold After CLK Rise 0.5 0.5 0.5 0.5 ns

CES

ChipEnable Set-Up 1.5 1.5 2.0 2.0 ns

CEH

Chip Enable Hold After CLK Rise 0.5 0.5 0.5 0.5 ns

CHZ

Clock to High-Z

[13]

1.5 3.1 1.5 3.5 1.5 4.2 1.5 5.0 ns

CLZ

Clock to Low-Z

[13]

0 0 0 0 ns

EOHZ

OE HIGH to Output High-Z

[13, 14]

3.2 3.5 4.2 4.5 ns

EOLZ

OE LOW to Output Low-Z

[13, 14]

0 0 0 0 ns

EOV

OE LOW to Output Valid

[13]

3.1 3.5 4.2 5.0 ns

Notes:

12. Unless otherwise noted, test conditions assume signal transition time of 2.5 ns or less, timing reference levels of 1.25V, input pulse levels of 0 to 2.5V, and

output loading of the specified I

and load capacitance. Shown in (a), (b) and (c) of AC Test Loads.

13. t

CHZ

, t

CLZ

, t

OEV

, t

EOLZ

, and t

EOHZ

are specified with a load capacitance of 5 pF as in part (b) of AC Test Loads. Transition is measured

200 mV from

steady-state voltage.

14. At any given voltage and temperature, t

EOHZ

is less than t

EOLZ

and t

CHZ

is less than t

CLZ

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 30 31

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