Cypress CY7C1543V18 Manual De Usuario

Document Number: 001-05389 Rev. *F

Page 21 of 28

I

SB1

Automatic Power down 
Current

Max V

DD

, 

Both Ports Deselected, 
V

IN

 

≥ V

IH

 or V

IN

 

≤ V

IL

 

f = f

MAX

 = 1/t

CYC

,

 

Inputs 

Static

375 MHz

x8

525

mA

x9

525

x18

525

x36

410

333 MHz

x8

500

mA

x9

500

x18

500

x36

395

300 MHz

x8

450

mA

x9

450

x18

450

x36

385

Over the Operating Range

V

IH

Input HIGH Voltage

V

REF

 + 0.2

–

V

DDQ

 + 0.24

V

V

IL 

Input LOW Voltage

–0.24

–

V

REF

 – 0.2

V

Tested initially and after any design or process change that may affect these parameters.

C

IN

 Input 

Capacitance

T

A

 = 25

°C, f = 1 MHz, V

DD

 = 1.8V, V

DDQ 

= 1.5V

5

pF

C

CLK

Clock Input Capacitance

6

pF

C

O

Output Capacitance

7

pF

 (continued)

Over the Operating Range 

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