ITT - Index of

...... 1 m .. T ___________
ITT303. ITT303H
-L (2 EXPANDABLE) NAND Q_U_A_D_2_-_IN_P_U_T BUFFERS
SEMICONOUCTORS
QUAD 2-INPUT
NAND BUFFERS
(2 EXPANDABLE)
Pin Configuration
16 Vee
The ITT303 is a high sink current buffer with
passive pull-up resistors on the chip. It is useful
in the collector-OR configuration, as a system
buffer, or as a lamp driver. For use as
a high-fan out gate, a supplemental external
pull-up resistor should be used.
ABSOLUTE MAXIMUM RATINGS
Characteristics
Units
Storage Temperature Range .. -65° to +150°C
Operating Temperature Range
303H-1, 303-1 ......... -55°C to +125°C
303H-5 ................ -30°C to + 75°C
303-5 .................. -30°C to +85°C
Lead Temperature, 1/16 inch from
case, 60 seconds Maximum ........ 300°C
Supply Voltage
Continuous ............... " .... , +16.5V
Pulsed 0.1 Second ................. 18V
Input Voltage (exclusive of expanders)
303-1, 303-5 .............. - 0.5V to 16.5V
303H-1, 303H-5 ............. -0.5V to 18V
Input Voltage - Expanders ........ OV to 6.0V
Voltage applied to output ...... -0.5V to Vee
Sink Current, Continuous Buffers ...... 80mA
Output short circuit duration
to ground ................... Continuous
(Not more than 1 output shorted simultaneously)
Maximum package power dissipation (free air)
at +125° ...................... 500mw
at +85° ........................ 900mw
GND 8
xo---
0= AS
Schematic (Each Gate)
SO--*--+--i4-+L
A
303
r---_---~~_oVee
8.2K 1.2K 9.1K
.--..---vO
'-----OGND
5-5