Datasheet > A1K-L67130L-70

A1K-L67130L-70

更新时间： 2022-12-01 21:13:36

品牌	Logo	应用领域
TEMIC		静态存储器
页数	文件大小	规格书
16页	196K
描述
Dual-Port SRAM, 1KX8, 70ns, CMOS, CDIP48, 0.600 INCH, CERAMIC, DIP-48

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A1K-L67130L-70 数据手册

L67130/L67140

(5)

Table 2 : Arbitration

LEFT PORT

RIGHT PORT

FLAGS

FUNCTION

CS_L

A_0L– A_9L

CS_R

A_0L– A_9R

BUSY_L

BUSY_R

Any

No Contention

Any

≠ A – A

0L 9L

ADDRESS ARBITRATION WITH CE LOW BEFORE ADDRESS MATCH

LV5R

RV5L

Same

LV5R

RV5L

Same

L–Port Wins

R–Port Wins

Arbitration Resolved

CS ARBITRATION WITH ADDRESS MATCH BEFORE CS

LL5R

RL5L

LW5R

= A – A

LL5R

RL5L

LW5R

= A – A

L–Port Wins

= A – A

= A

R–Port Wins

0L – 9L

= A

= A – A

Arbitration Resolved

0R – 9R

= A – A

Notes : 5. INT Flags Don’t Care.

6. X = DON’T CARE, L = LOW, H = HIGH.

LV5R = Left Address Valid ≥ 5 ns before right address.

RV5L = Right address Valid ≥ 5 ns before left address.

Same = Left and Right Addresses match within 5 ns of each other.

LL5R = Left CS = LOW ≥ 5 ns before Right CS.

RL5L = Right CS = LOW ≥ 5 ns before left CS.

LW5R = Left and Right CS = LOW within 5 ns of each other.

(7, 10)

Table 3 : Interrupt Flag

LEFT PORT

RIGHT PORT

FUNCTION

R/W_LCS_L

OE_L

A_OL–A_9L

INT_LR/W_RCS_R

OE_R

A_OR–A_9R

INT_R

(8)

3FF

Set Right INT Flag

(9)

3FF

3FE

Reset Right INT Flag

(9)

Set Left INT Flag

(8)

3FE

Reset Left INT Flag

Notes : 7. Assumes BUSY = BUSY = H.

8. If BUSY = L, then NC.

9. If BUSY = L, then NC.

10. H = HIGH, L = LOW, X = DON’T CARE, NC = NO CHANGE.

MATRA MHS

Rev. D (19 Fev. 97)

1 2 3 456 7 8...16

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