SN10KHT5539 Datasheet, PDF (1/6 Pages) Texas Instruments – OCTAL ECL-TO-TTL TRANSLATOR WITH OPEN-COLLECTOR OUTPUTS

• 10KH Compatible
• Open-Collector Outputs Drive Bus Lines or
Buffer Memory Address Registers
• ECL and TTL Output-Enable Inputs
• Flow-Through Architecture Optimizes PCB
Layout
• Center-Pin V_CC, V_EE, and GND
Configurations Minimize High-Speed
Switching Noise
• Package Options Include “Small Outline”
Packages and Standard Plastic 300-mil
DIPs
SN10KHT5539
OCTAL ECLĆTOĆTTL TRANSLATOR
WITH OPENĆCOLLECTOR OUTPUTS
SDZS007 − JANUARY 1990 − REVISED OCTOBER 1990
DW OR NT PACKAGE
(T0P VIEW)
Y1 ₁
Y2 ₂
Y3 ₃
Y4 ₄
V_{CC 5}
GND ₆
GND 7
GND 8
Y5 9
Y6 10
Y7 11
Y8 12
24 ^A1
23 ^A2
22 ^A3
21 ^A4
20 ^{OE2 (TTL)}
19 ^V_EE
18 GND
17 OE1 (ECL)
16 A5
15 A6
14 A7
13 A8
description
This octal ECL-to-TTL translator is designed to provide efficient translation between a 10KH signal environment
and a TTL signal environment. This device is designed specifically to improve the performance and density of
ECL-to-TTL CPU/bus-oriented functions such as memory-address drivers, clock drivers, and bus-oriented
receivers and transmitters while eliminating the need for 3-state overlap protection.
Two pins OE1 and OE2 are provided for output-enable control. These control inputs are ANDed together with
OE1 being ECL-compatible and OE2 being TTL-compatible. This offers the choice of controlling the outputs of
the device from either a TTL or ECL signal environment.
The SN10KHT5539 is characterized for operation from 0°C to 75°C.
FUNCTION TABLE
OUTPUT
ENABLE
OE1 OE2
X
H
H
X
L
L
L
L
DATA
INPUT
A
X
X
L
H
OUTPUT
(TTL)
Y
H
H
L
H
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright  1990, Texas Instruments Incorporated
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