9

COMMERCIALTEMPERATURERANGE

IDT723623/723633/723643 BUS-MATCHING SyncFIFO™

256 x 36, 512 x 36, 1,024 x 36

Access Time, CLKA

↑ to A0-A35 and CLKB↑ to B0-B35

2

8

2

10

ns

Propagation Delay Time, CLKA

↑ to FF/IR

2

8

2

8

ns

Propagation Delay Time, CLKB

↑ to EF/OR

1

8

1

8

ns

Propagation Delay Time, CLKB

↑ to AE

1

818

ns

Propagation Delay Time, CLKA

↑ to AF

1

818

ns

Propagation Delay Time, CLKA

↑ to MBF1 LOW or MBF2 HIGH and CLKB↑ to MBF2 LOW

0

8

0

8

ns

or MBF1 HIGH

Propagation Delay Time, CLKA

28

2

12

ns

Propagation Delay Time, MBA to A0-A35 valid and MBB to B0-B35 Valid

2

8

2

10

ns

Propagation Delay Time, RS1 or PRS LOW to AE LOW, AF HIGH, MBF1 HIGH, and MBF2 HIGH

1

10

1

15

ns

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

2

6

2

10

ns

toB0-B35Active

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

1

6

1

8

ns

W/RBLOW to B0-B35 at high-impedance

SWITCHING CHARACTERISTICS OVER RECOMMENDED RANGES OF SUPPLY

VOLTAGE AND OPERATING FREE-AIR TEMPERATURE, CL = 30 PF

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.

°C to +70°C)

Commercial

IDT723623L12 IDT723623L15

IDT723633L12 IDT723633L15

IDT723643L12 IDT723643L15

Symbol

Parameter

Min.

Max.

Min.

Max.

Unit