SM5838AS Ver la hoja de datos (PDF) - Nippon Precision Circuits

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SM5838AS

5120 × 8-bit Synchronous FIFO

Nippon Precision Circuits  

AC Characteristics

Input timing

SM5838AS

Parameter

Symbol

Clock cycle time

tCK

Clock pulsewidth

tCKW

Input data setup time

tDS

Input data hold time

tDH

RW and RR setup time

tRS

RW and RR hold time

tRH

WE setup time

tWES

WE hold time

tWEH

RE setup time

tRES

RE hold time

tREH

OE setup time

tOES

OE hold time

tOEH

Rise and fall transition times

Tt

Condition

5 V supply

3 V supply

Unit

min typ max min typ max

30

–

–

50

–

–

ns

13

–

–

23

–

–

ns

7

–

–

10

–

–

ns

3

–

–

4

–

–

ns

10

–

–

17

–

–

ns

0

–

–

0

–

–

ns

13

–

–

23

–

–

ns

0

–

–

0

–

–

ns

13

–

–

23

–

–

ns

0

–

–

0

–

–

ns

10

–

–

17

–

–

ns

0

–

–

0

–

–

ns

–

–

30

–

–

30

ns

1. All voltages measured with relative to VSS.

2. Input timing input voltage levels are VIL = 0 V and VIH = 3.0/2.5 V (5/3 V supply). Transition time is measured between VIH and VIL.

3. Input signal reference level is VTH = 1.5 V.

4. Input timing ratings measured with tT = 5 ns.

Normal-voltage (5 V) specification

Low-voltage (3 V) specification

3.0V

2.5V

0V

5ns

5ns

0V

5ns

5ns

t CK

t CKW

CLK

t CKW

t RS

t RW

t RH

RW

t RH

t RS

t RR

t RS

t RH

RR

t RH

t WEH

t WES

t WEH

t RS

t WES

WE

t REH

t RES

t REH

t RES

RE

t OEH

t OES

t OEH

t OES

OE

t DS

t DH

t DS

t DH

DIN

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NIPPON PRECISION CIRCUITS—4

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