DP8480A
DP8480A is DP8480A 10k ECL to TTL Level Translator with Latch manufactured by National Semiconductor.
Description
This circuit translates ECL input levels to TTL output levels and provides a fall-through latch The TRI-STATE outputs are designed to drive standard 50 p F loads The strobe and chip select inputs operate at ECL levels
Features
Y Y Y Y Y
16-pin DIP TRI-STATE outputs ECL control inputs 8 ns typical propagation delay with 50 p F load Outputs are TRI-STATE during power up down for glitch free operation 10k ECL input patible
Logic and Connection Diagram
Dual-In-Line Package
Truth Table
D H L X X Q L H Q Hi-Z STR L L H X CS L L L H
H e high level (most positive) L e low level (most negative) X e don’t care
Order Number DP8480AJ or DP8480AN See NS Package Number J16A or N16A
TL F 5861
- 1
Top View
TRI-STATE is a registered trademark of National Semiconductor Corporation C1995 National Semiconductor Corporation
TL F 5861
RRD-B30M105 Printed in U S A
Absolute Maximum Ratings (Note 1)
If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications VEE Supply Voltage VCC Supply Voltage Input Voltage Output Voltage b 8V
Maximum Power Dissipation at 25 C Molded Package Storage Temperature
Derate molded package 11 8 m W C above 25 C
1476 m W b 65 C to a 150 C
7V GND to VEE 5 5V
Remended Operating Conditions
VEE Supply Voltage VCC Supply Voltage TA Ambient Temperature b 5 2V g 10%
5 0V g 10% 0 C to 75 C
Electrical Characteristics (TTL Logic) Notes 2
Symbol VOL VOH IAV IOS IOZ ICC Parameter Output Low Voltage Output High Voltage Output Low Drive Current Output High Drive Current TRI- STATE Output Current Supply Current
3 and 4 Min VCC b2V 70 b 70 b 50
Conditions IOL e 12 m A IOH e b10 m A Force 2 5V Force 0V
Typ
Max 05
Units V V m A
150 b 150 b 350 a 50 m A m A m A
Electrical Characteristics (ECL Logic) Notes 2 and 3
Symbol VIL Parameter Input Low Voltage Conditions VEE e b5 2V TA 0 C 25 C 75 C 0C 25 C 75 C Min b 1870 b 1850 b 1830 b 1145 b 1105 b...