SN64BCT2244 Datasheet | Octal Buffer and LINE/MOS Driver





(Datasheet) SN64BCT2244 Datasheet PDF Download

Part Number SN64BCT2244
Description Octal Buffer and LINE/MOS Driver
Manufacture etcTI
Total Page 5 Pages
PDF Download Download SN64BCT2244 Datasheet PDF

Features: • State-of-the-Art BiCMOS Design Signi ficantly Reduces ICCZ • ESD Protectio n Exceeds 2000 V Per MIL-STD-883C, Meth od 3015; Exceeds 200 V Using Machine Mo del (C = 200 pF, R = 0) • Output Port s Have Equivalent 33-Ω Series Resisto rs, So No External Resistors Are Requir ed • High-Impedance State During Powe r-Up and Power-Down • 3-State Buffer- Type Outputs Drive Bus Lines Directly Package Options Include Plastic Smal l-Outline (DW) Packages and Standard Pl astic 300-mil DIPs (N) SN64BCT2244 OCT AL BUFFER AND LINE/MOS DRIVER WITH 3ĆS TATE OUTPUTS SCBS078A − D3529, JUNE 1 990 − DECEMBER 1993 DW OR N PACKAGE ( TOP VIEW) 1OE 1A1 2Y4 1A2 2Y3 1A3 2Y2 1A4 2Y1 GND 1 2 3 4 5 6 7 8 9 10 20 V CC 19 2OE 18 1Y1 17 2A4 16 1Y2 15 2A3 1 4 1Y3 13 2A2 12 1Y4 11 2A1 description The SN64BCT2244 is a noninverting octa l buffer and line/MOS driver designed s pecifically to improve both the perform ance and density of 3-state memory addr ess drivers, clock drivers, and bus-oriented receivers and transmitters. Taken tog.

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State-of-the-Art BiCMOS Design
Significantly Reduces ICCZ
ESD Protection Exceeds 2000 V Per
MIL-STD-883C, Method 3015; Exceeds 200 V
Using Machine Model (C = 200 pF, R = 0)
Output Ports Have Equivalent 33-Series
Resistors, So No External Resistors Are
Required
High-Impedance State During Power-Up and
Power-Down
3-State Buffer-Type Outputs Drive Bus
Lines Directly
Package Options Include Plastic
Small-Outline (DW) Packages and Standard
Plastic 300-mil DIPs (N)
SN64BCT2244
OCTAL BUFFER AND LINE/MOS DRIVER
WITH 3ĆSTATE OUTPUTS
SCBS078A − D3529, JUNE 1990 − DECEMBER 1993
DW OR N PACKAGE
(TOP VIEW)
1OE
1A1
2Y4
1A2
2Y3
1A3
2Y2
1A4
2Y1
GND
1
2
3
4
5
6
7
8
9
10
20 VCC
19 2OE
18 1Y1
17 2A4
16 1Y2
15 2A3
14 1Y3
13 2A2
12 1Y4
11 2A1
description
The SN64BCT2244 is a noninverting octal buffer and line/MOS driver designed specifically to improve both the
performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and
transmitters. Taken together with the SN64BCT2240 and SN64BCT2241, these devices provide the choice of
selected combinations of inverting and noninverting outputs, symmetrical OE (active-low output-enable) inputs,
and complementary OE and OE inputs. These devices feature high fan-out and improved fan-in.
When the output-enable (1OE and 2OE) inputs are low, the device transmits data from the A inputs to the
Y outputs. When 1OE and 2OE are high, the outputs are in the high-impedance state. Output-enable 1OE
affects only the 1Y outputs; output-enable 2OE affects only the 2Y outputs.
The outputs, which are designed to source or sink up to 12 mA, include 33-series resistors to reduce overshoot
and undershoot.
The SN64BCT2244 is characterized for operation from − 40°C to 85°C and 0°C to 70°C.
FUNCTION TABLE
(each buffer)
INPUTS
OE A
OUTPUT
Y
HX
Z
LL
L
LH
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 1993, Texas Instruments Incorporated
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443
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