5962F9684503VXA 데이터 시트보기 (PDF) - Aeroflex Corporation

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5962F9684503VXA

4Kx8/9 Radiation-Hardened Dual-Port Static RAM with Busy Flag

Aeroflex Corporation 

tR C

Address

tAA

Data Out

tOHA

Previous Data Valid

Assumptions:

1.R/W is HIGH for read cycle

2.Device is continuously selected CE =LOW and OE=LOW

Figure 3a. Read Cycle 1

Data Valid

CE

OE

Data Out

tACE

tDOE

tLZOE

tLZCE

tHZCE

tHZOE

Assumptions:

1. Address valid prior to or coincident with CE transition LOW

2. R/W is HIGH for read cycle

Figure 3b. Read Cycle 2

Address

R/WR

DataINR

AddressL

DATAOUTL

Assumptions:

1. BUSY = HIGH for the writing port

2. CE L = C ER = LOW

tWC

M A TC H

tPWE

tH D

tS D

VALID

M A TC H

tD D D

tWDD

VALID

Figure 3c. Read Timing with Port-to-Port Delay

8

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