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PDF M54HC244 Data sheet ( Hoja de datos )
| Número de pieza | M54HC244 | |
| Descripción | HC240: INVERTED - HC241/244 NON INVERTED OCTAL BUS BUFFER WITH 3 STATE OUTPUTS | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de M54HC244 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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M54HC240/241/244
M74HC240/241/244
OCTAL BUS BUFFER WITH 3 STATE OUTPUTS
HC240: INVERTED - HC241/244 NON INVERTED
. HIGH SPEED
tPD = 10 ns (TYP.) at VCC = 5V
. LOW POWER DISSIPATION
ICC = 4 µA (MAX.) at TA = 25 oC
. HIGH NOISE IMMUNITY
VNIH = VINL = 28 % VCC (MIN.)
. OUTPUT DRIVE CAPABILITY
15 LSTTL LOADS
. SYMMETRICAL OUTPUT IMPEDANCE
|IOH| = IOL = 6 mA (MIN)
. BALANCED PROPAGATION DELAYS
tPLH = tPHL
. WIDE OPERATING VOLTAGE RANGE
VCC (OPR) = 2V to 6V
. PIN AND FUNCTION COMPATIBLE
WITH 54/74LS240/241/244
B1R
(Plastic Package)
F1R
(Ceramic Package)
M 1R
(Micro Package)
C1R
(Chip Carrier)
ORDER CODES :
M54HCXXXF1R M74HCXXXM1R
M74HCXXXB1R M74HCXXXC1R
DESCRIPTION
The M54/74HC240, HC241 and HC244 are high
speed CMOS OCTAL BUS BUFFERs fabricated in
silicon gate C2MOS technology.
They have the same high speed performance of
LSTTL combined with true CMOS low power
consumption.
complementary G and G inputs. Each control input
governs four BUS BUFFERs.
These devices are designed to be used with 3 state
memory address drivers, etc. All inputs are
equipped with protection circuits against static
discharge and transient excess voltage.
The designer has a choise of select combination of
inverting and non-inverting outputs, symmetrical G
(active low output control) input, and
PIN CONNECTION (top view)
HC240
HC241
HC244
October 1993
1/12
1 page  
M54/M74HC240/241/244
DC SPECIFICATIONS
Symbol
Parameter
VIH High Level Input
Voltage
VIL Low Level Input
Voltage
VOH High Level
Output Voltage
VOL Low Level Output
Voltage
II Input Leakage
Current
IOZ 3 State Output
Off State Current
ICC Quiescent Supply
Current
Test Conditions
VCC
(V)
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
VI =
VIH
IO=-20 µA
6.0 or
4.5 VIL IO=-6.0 mA
6.0 IO=-7.8 mA
2.0
4.5
VI =
VIH
IO= 20 µA
6.0 or
4.5 VIL IO= 6.0 mA
6.0 IO= 7.8 mA
6.0 VI = VCC or GND
TA = 25 oC
54HC and 74HC
Min. Typ. Max.
1.5
3.15
4.2
0.5
1.35
1.8
1.9 2.0
4.4 4.5
5.9 6.0
4.18 4.31
5.68 5.8
0.0 0.1
0.0 0.1
0.0 0.1
0.17 0.26
0.18 0.26
±0.1
Value
-40 to 85 oC
74HC
Min. Max.
1.5
3.15
4.2
0.5
1.35
1.8
1.9
4.4
5.9
4.13
5.63
0.1
0.1
0.1
0.33
0.33
±1
-55 to 125 oC
54HC
Min. Max.
1.5
3.15
4.2
0.5
1.35
1.8
1.9
4.4
5.9
4.10
5.60
0.1
0.1
0.1
0.40
0.40
±1
6.0
VI = VIH or VIL
VO = VCC or GND
6.0 VI = VCC or GND
±0.5 ±5 ±10
4 40 80
Unit
V
V
V
V
µA
µA
µA
5/12
5 Page 
DIM.
A
B
D
d1
d2
E
e
e3
F
G
M
M1
M54/M74HC240/241/244
MIN.
9.78
8.89
4.2
7.37
PLCC20 MECHANICAL DATA
mm
TYP.
2.54
0.56
1.27
5.08
0.38
1.27
1.14
MAX.
10.03
9.04
4.57
MIN.
0.385
0.350
0.165
8.38 0.290
0.101
inch
TYP.
0.100
0.022
0.050
0.200
0.015
0.050
0.045
MAX.
0.395
0.356
0.180
0.330
0.004
P027A
11/12
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet M54HC244.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| M54HC240 | HC240: INVERTED - HC241/244 NON INVERTED OCTAL BUS BUFFER WITH 3 STATE OUTPUTS | ST Microelectronics |
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| M54HC240B1R | HC240: INVERTED - HC241/244 NON INVERTED OCTAL BUS BUFFER WITH 3 STATE OUTPUTS | ST Microelectronics |
| M54HC240B1R | HC240: INVERTED - HC241/244 NON INVERTED OCTAL BUS BUFFER WITH 3 STATE OUTPUTS | ST Microelectronics |
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