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TheTTL - Al Kossow's Bitsavers

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TBP28L46<br />

4096 BITS (512 WORDS BY 8 BITS)<br />

LOW·POWER PROGRAMMABLE READ·ONLY MEMORIES WITH 3·STATE OUTPUTS<br />

logic symbol<br />

AO<br />

A1<br />

A2<br />

A3<br />

A4<br />

AS<br />

A6<br />

A7<br />

AS<br />

G4<br />

G3<br />

G2<br />

G1<br />

IS)<br />

(7)<br />

(6)<br />

(5)<br />

(4)<br />

(3)<br />

(2)<br />

(1)<br />

(23)<br />

(21) r--....<br />

(19)<br />

(1S)<br />

(20) '"<br />

TBP28L46<br />

PROM 512 X 8<br />

0<br />

A\l<br />

A\l<br />

- 0 A\l<br />

>A511 A\l<br />

A\l<br />

A'\l<br />

A\l<br />

s" A\l<br />

&<br />

EN<br />

(9)<br />

(10)<br />

(11)<br />

(13)<br />

(14)<br />

(15)<br />

(16)<br />

(17)<br />

pin assignment<br />

TBP28L46<br />

JW OR NW PACKAGE<br />

ITOP VIEW)<br />

00 A7 Vcc'<br />

01 A6 A8<br />

02 A5 NC<br />

03 A4

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