IDT72021 datasheet(9/14 Pages) IDT

Part #	IDT72021

Description	CMOS ASYNCHRONOUS FIFO WITH RETRANSMIT 1K x 9, 2K x 9, 4K x 9

PDF	14 Pages

Scroll/Zoom	100%

Manufacturer	IDT [Integrated Device Technology]

Direct Link	http://www.idt.com

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9 / 14 page

5.09

MILITARY AND COMMERCIAL TEMPERATURE RANGES

IDT72021, IDT72031, IDT72041

CMOS ASYNCHRONOUS FIFO WITH RETRANSMIT 1K x 9, 2K x 9, 4K x 9

Figure 7. Empty Flag Timing

Figure 9. Almost-Empty/Almost-Full Flag and Half-Full Timings

Figure 8. Full Flag Timing

t WEF

t RPE

2677 drw 10

t RFF

t WPF

2677 drw 11

Figure 10. Output Enable and Read Operation Timings

Figure 9. Almost-Empty/Almost-Full Flag and Half-Full Timings

tRHF

(7/8 FULL)

ALMOST–EMPTY

(1/8 FULL–1)

HALF–FULL

(1/2)

tWHF

tWF

HALF–FULL + 1

ALMOST–FULL (7/8 FULL + 1)

HALF–FULL (1/2)

(7/8 FULL)

ALMOST–EMPTY (1/8 FULL–1)

(1/8 FULL)

tRF

AEF

2677 drw 12

AEF

Q0-8

DATA 1

SECOND READ BY

CONTROLLING

TERMINATE READ CYCLE

HIGH IMPEDANCE

DATA 1

tRC

tRR

tDV

tOEHZ

tOELZ

tAOE

tRLZ

2677 drw 13

IDT72021 Datasheet(PDF) 9 Page - Integrated Device Technology

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