ITT - Index of

IT m
In-5425, ITT1ij·25
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SEMICONDUCTORS
DUAL 4-INPUT NOR GATES W~TH STROBE
schematic (each gate)
vcco----..-.---....... ---,
A ___ ---"r
DUAL -IN-LINE PACKAGE
AND FLAT PACI(AGE
PIN CONFIGURATION
(TOP VIEW)l
IA
VCC
IB
2D
INPUTS
c ___ -+"r
OUTPUT
i!!
STROBE
IG
IC
2C
STROBE
2G
ID
28
D ____ -+''f
It
2A
G ___ -+-_jq.,
GND
800H
GNOo---____ -+_--'
Notes: A, Component values shown are nominal.
V -VCCbus
POSITIVE LOGIC: t = G(A+B+C+D)
1 Pin assignments for these circuits are the same for
all packages.
absolute maximum ratings over operating freeair
temperature range (unless otherwise noted)
Supply voltage V CC (see Note 1) ............................ 7V
Input voltage (see Note 1) .................................... 5.5V
Interemitter voltage (see Note 2) ....................... 5.5V
Operating free-air temperature range:
ITT5425 .......................................... -55°Cto 125°C
ITT7425 ................................................... aoc to 7aoC
Storage temperature range ........... - 65°C to 15aoC
logic and functional block diagram (each gate)
Ao----i
Notes:
1 .. Voltage val.ues. except interemitter voltage.
are with respect to network ground terminal.
2. This is the voltage between two emitters of
a multiple-emitter transistor.
Bo--+--i
Co--+--i
Do--+---1
Go---4---1
OUTPUT
if
A
H
X
X
X
L
X
TRUTH TABLE
Inputs
Output
B C 0 G V
X X X H L
H X X H L
X H X H L
X X H H L
L L L X H
X X X L H
3-47
H = hi!Jh level, L = low level. X = irrelevant.