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54HC244 Datasheet Preview

54HC244 Datasheet

Octal 3-State Non-Inverting Buffer / Line Driver / Line Receiver

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  High Speed CMOS Logic  54HC244
 
Octal 3-S  tate Non-Inverting Buffer / Line Driver / Line Receiver in bare die form
Rev 1.1
01/05/18
Descrip  tion
Features:
The 54HC2 44 is fabricated using a 2.5µm 5V CMOS
process and has the same high speed performance of
LSTTL com  bined with CMOS low power consumption. The
device can be used as two 4-bit buffers or one 8-bit buffer
and feature s non-inverting inputs with two output enables,
each controlling four of the 3-state outputs. The device is
specifically designed to improve performance and density in
clock drivers, 3-state memory address drivers and bus
orientated t ransmitters and receivers. Inputs include clamp
diodes that enable the use of current limiting resistors to
interface in puts to voltages in excess of VCC
ƒ Output Drive Capability: 15 LSTTL Loads
ƒ Low Input Current: 1µA
ƒ Outputs directly interface CMOS, NMOS and TTL
ƒ Operating Voltage Range: 2V to 6V
ƒ CMOS High Noise Immunity
ƒ Function compatible with 54LS244
ƒ Full Military Temperature Range.
 
Ordering Information
 
The following part suffixes apply:
ƒ No suf fix - MIL-STD-883 /2010B Visual Inspection
ƒ H” - M IL-STD-883 /2010B Visual Inspection
  + MIL-PRF-38534 Class H LAT
ƒ
K
-
M IL+-SMTIDL--P8R83F-/328051304A
Visual Inspection
Class K LAT
(Space)
Die Dimensions in µm (mils)
1900 (75)
LAT = Lot  Acceptance Test.
For further information on LAT process flows see below.
www.silico nsupplies.com\quality\bare-die-lot-qualification
Supply  Formats:
 
ƒ Default – Die in Waffle Pack (100 per tray capacity)
ƒ Sawn W  afer on Tape – On request
ƒ Unsaw n Wafer – On request
ƒ Die Thi ckness <> 350µm(15 Mils) – On request
ƒ Assem bled into Ceramic Package – On request
Mechanical Specification
Die Size (Unsawn)
Minimum Bond Pad Size
Die Thickness
Top Metal Composition
Back Metal Composition
1900 x 2050
75 x 81
µm
mils
100 x 100
3.94 x 3.94
µm
mils
350 (±20)
13.78 (±0.79)
µm
mils
Al 1%Si 1.1µm
N/A – Bare Si
Page 1 of 6 
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Silicon Supplies

54HC244 Datasheet Preview

54HC244 Datasheet

Octal 3-State Non-Inverting Buffer / Line Driver / Line Receiver

No Preview Available !

  High Speed CMOS Logic  54HC244
d 
Pad La  yout and Functions
 
 2
1 20 19 18
3  17
4   
 
16
5 
DIE ID
15
6
 
 
7
 
8
 
0,0
 
9 10 11
14
13
12
1900µm (74.80 mils)
Logic D  iagram
 
 
 
 
 
 
 
 
 
 
Pad 20 = VCC
Pad 10 = GND
Rev 1.1
01/05/18
PAD
FUNCTION
1 ENABLE A
2 A1
3 YB4
4 A2
5 YB3
6 A3
7 YB2
8 A4
9 YB1
10 GND
11 B1
12 YA4
13 B2
14 YA3
15 B3
16 YA2
17 B4
18 YA1
19 ENABLE B
20 VCC
CONNECT CHIP BACK TO VCC OR FLOAT
 
Truth Table
INPUTS
OUTPUTS
ENABLE A
ENABLE B
A, B
YA, YB
LL L
LHH
HX
Z
H = High level (steady state)
L = Low level (steady state)
X = Don’t care
Z = High impedance
 
Page 2 of 6 
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Part Number 54HC244
Description Octal 3-State Non-Inverting Buffer / Line Driver / Line Receiver
Maker Silicon Supplies
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54HC244 Datasheet PDF






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