COMMERCIALANDINDUSTRIAL

TEMPERATURERANGES

IDT723631/723641/723651 CMOS SyncFIFO™

512 x 36, 1,024 x 36 and 2,048 x 36

7

Commercial

IDT723631L15

IDT723641L15

IDT723651L15

Symbol

Parameter

Min.

Max.

Unit

fS

Clock Frequency, CLKA or CLKB

–

66.7

MHz

tA

Access Time, CLKB

↑ to B0-B35

3

11

ns

tPIR

Propagation Delay Time, CLKA

↑ to IR

1

8

ns

tPOR

Propagation Delay Time, CLKB

↑ to OR

1

8

ns

tPAE

Propagation Delay Time, CLKB

↑ to AE

18

ns

tPAF

Propagation Delay Time, CLKA

↑ to AF

18

ns

tPMF

Propagation Delay Time, CLKA

↑ to MBF1 LOW or MBF2

08

ns

HIGH and CLKB

↑ to MBF2 LOW or MBF1 HIGH

tPMR

Propagation Delay Time, CLKA

↑ to B0-B35(1) and

3

13.5

ns

CLKB

↑ to A0-A35(2)

tMDV

Propagation Delay Time, MBB to B0-B35 Valid

3

13

ns

tRSF

Propagation Delay Time, RST LOW to AE LOW and AF HIGH

1

15

ns

tEN

Enable Time, CSA and W/RA LOW to A0-A35 Active and

2

12

ns

CSB LOW and W/RB HIGH to B0-B35 Active

tDIS

Disable Time, CSA or W/RA HIGH to A0-A35 at high-impedance

1

8

ns

and CSB HIGH or W/RB LOW to B0-B35 at high-impedance

NOTES:

1. Writing data to the mail1 register when the B0-B35 outputs are active and MBB is HIGH.

2. Writing data to the mail2 register when the A0-A35 outputs are active and MBA is HIGH.

AC ELECTRICAL CHARACTERISTICS

(Commercial: VCC = 5.0V ± 10%, TA = 0

°C to +70°C