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<strong>ITT</strong><br />

<strong>ITT</strong>7522, <strong>ITT</strong>7523<br />

DUAL-CHANNEL SENSE AMPLIFIERS<br />

- -----<br />

SEMICONDUCTORS<br />

DUAL-CHANNEL SENSE AMPLIFIERS<br />

TRUTH TABLE<br />

Inputs<br />

Output<br />

A B G 5,[ 5Ji Y<br />

L L H X X H<br />

L X H X L H<br />

X L H L X H<br />

X X H L L H<br />

X X L X X L<br />

H X X H X L<br />

X H X X H L<br />

Definition <strong>of</strong> Logic Levels<br />

Input H L X<br />

A or 8* Vm ;;?: VT max Vm :::;; VT min Irrelevant<br />

Any G or S V,;;?: VIH min V,:::;; V,L max Irrelevant<br />

Cext<br />

r AI<br />

INPUTS<br />

LA2<br />

-V,ef<br />

+v,ef<br />

r BI<br />

INPUTS<br />

lB2<br />

Vcc-<br />

DUAL -IN-LINE PACKAGE<br />

PIN CONFIGURATION<br />

(TOP VIEW)<br />

vcc+<br />

STROBE<br />

SA<br />

GATE<br />

G<br />

GND<br />

2<br />

OUTPUT<br />

Z<br />

STROBE<br />

SB<br />

RL<br />

GND<br />

I<br />

* A and 8 are differential voltages (Vm ) )between<br />

A 1 and A2 or 81 and 82, respectively.<br />

For these circuits, VIIJ is considered positive<br />

POSITiVE LOGIC:<br />

regardless <strong>of</strong> which terminal <strong>of</strong> each pair is<br />

positive with respect to the other.<br />

Schematic<br />

Vcc+<br />

v,,, {<br />

,<br />

-<br />

{ A1<br />

INPUTS<br />

A2<br />

STROBE A<br />

RL<br />

OUTPUT Y<br />

{ 61<br />

INPUTS<br />

B2<br />

GNO 2<br />

STROBE B<br />

Vcc_<br />

6-9

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