ITT - Index of

_ I
mm. ____
.L.L
SEMICONOUCTORS
ITT7520, ITT7521
D_U_A_L
WITH
-_C_H_A_N_N_E_L_S_E_N_S_E_A_M_P_Ll_F_IE_RS
COMPLIMENTARY OUTPUTS
DUAL-CHANNEL SENSE AMPLIFIERS
WITH COMPLEMENTARY OUTPUTS
TRUTH TABLE
Inputs
A B G. Gz S S8
X X L X X X
H X X X H X
X H X X X H
L L H X X X
L X H X X L
X L H X L X
X X H X L L
X X X L X X
Outputs
y Z
H
H
H
L
L
L
L
X
§.Z
§.Z
Gz
H
H
H
H
H
AI 2
INPUTS
{
A2
DUAL-IN - LINE PACKAGE
PIN CONFIGURATION
(Top VIEW)
STROBF
GATE
fBi 6
Definition of Logic Levels
INPUTS la2
GATE
Input H L
A or S* Vm ;;::' VT max VID ~ VT min
Any G or S VI;;::' VIH min V, ~ VI!. max
X
Irrelevant
Irrelevant
POSiTIVE LOGIC:
y. Gy+A'SA +B'Sa
f· Gi!+Y
z· GZ+Gy(A+~AH!i+~BI
* A and S are differential voltages (VID) between
A 1 and A2 or S1 and 82, respectively.
For these circuits, VII) is considered positive
regardless of which terminal of each pair is
positive with respect to the other.
Schematic
INPUTS{AI
A2
STROBE S A ~-+--+t---j-+-,
OUTPUT Z
INPUTS {Bl ~
B2
~--~-!..
STROBESB~-+ ___--j-+-,
Vcc_
Gz
OUTPUT
y
6-6