Fairchild Semiconductor 100393QCX, 100393QC Datasheet

© 1999 Fairchild Semiconductor Corporation DS010650 www.fairchildsemi.com

February 1990
Revised November 1999

100393 Low Power 9-Bit ECL-to-TTL Translator with Latches

100393
Low Power 9-Bit ECL-to-TTL T ranslator with Latches

General Description

The 100393 is a 9-b it tra nslator for con verti ng F1 00K l ogic
levels to TTL logic levels. A LOW on the latch en able (LE)
latches the data at the input state. A HIGH on the LE
makes the latches transpa rent. A HIGH on ei ther the ECL
or TTL output enable (OE

ECL or OE TTL), holds the out-

puts in a high impedance state.
The 100393 is design ed with TTL, 64 mA o utputs for Bus

Driving capability. All ECL inputs have 50 kΩ pull-down
resistors. When the inputs are either unconnected or at the
same potential, the outputs will go LOW.

Features

■ 64 mA IOL drive capability

■ 2000V ESD protection

■ −4.2V to −5.7V operating range

■ Latched outputs

■ TTL outputs

Ordering Code:

Devices also availab le in Tape and Reel. Specify by appending th e s uffix let t er “X” to the ordering code.

Logic Symbol

Pin Descriptions

Connection Diagram

Order Number Package Number Package Description

100393QC V28A 28-Lead Plastic Lead Chip Carrier (PLCC), JEDEC MO-047, 0.450 Square

Pin Names Description

D

0–D8

Data Inputs (ECL)

Q

0–Q8

Data Outputs (TTL)
LE Latch Enable Input (ECL)
OE

TTL Output Enable (TTL)

OE

ECL Output Enable (ECL)

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100393

Truth Table

H = HIGH Voltage Level
L = LOW Voltage Level
X = Don’t Care
Z = High Impedance

Logic Diagram

Inputs Outputs

OE

TTL OE ECL LE

D

N

Q

N

LLHLL
LLHHH
L L L X Latched
HXXXZ
XHXXZ