STMicroelectronics M54HC240D Rad-hard octal bus buffer with 3 state outputs (inverted) Datasheet

M54HC240
RAD-HARD OCTAL BUS BUFFER
WITH 3 STATE OUTPUTS (INVERTED)
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HIGH SPEED:
tPD = 10ns (TYP.) at VCC = 6V
LOW POWER DISSIPATION:
ICC = 4µA(MAX.) at TA=25°C
HIGH NOISE IMMUNITY:
VNIH = VNIL = 28% VCC (MIN.)
SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 6mA (MIN)
BALANCED PROPAGATION DELAYS:
tPLH ≅ tPHL
WIDE OPERATING VOLTAGE RANGE:
VCC (OPR) = 2V to 6V
PIN AND FUNCTION COMPATIBLE WITH
54 SERIES 240
SPACE GRADE-1: ESA SCC QUALIFIED
50 krad QUALIFIED, 100 krad AVAILABLE ON
REQUEST
NO SEL UNDER HIGH LET HEAVY IONS
IRRADIATION
DEVICE FULLY COMPLIANT WITH
SCC-9401-034
DILC-20
FPC-20
ORDER CODES
PACKAGE
FM
EM
DILC
FPC
M54HC240D
M54HC240K
M54HC240D1
M54HC240K1
G control input governs four BUS BUFFERs.
This device is 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.
DESCRIPTION
The M54HC240 is an advanced high-speed
CMOS OCTAL BUS BUFFER (3-STATE)
fabricated with silicon gate C2MOS technology.
PIN CONNECTION
April 2004
1/10
M54HC240
IEC LOGIC SYMBOLS
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN N°
SYMBOL
1
2, 4, 6, 8
9, 7, 5, 3
11, 13, 15,
17
18, 16, 14,
12
19
10
20
1G
1A1 to 1A4
2Y1 to 2Y4
2A1 to 2A4
Output Enable Input
Data Inputs
Data Outputs
Data Inputs
1Y1 to 1Y4
Data Outputs
2G
GND
VCC
NAME AND FUNCTION
Output Enable Input
Ground (0V)
Positive Supply Voltage
TRUTH TABLE
INPUTS
X : Don’t Care
Z : High Impedance
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OUTPUT
G
An
Yn
L
L
H
L
H
X
H
L
Z
M54HC240
ABSOLUTE MAXIMUM RATINGS
Symbol
VCC
Parameter
Supply Voltage
Value
Unit
-0.5 to +7
V
-0.5 to VCC + 0.5
-0.5 to VCC + 0.5
V
DC Input Diode Current
± 20
mA
IOK
DC Output Diode Current
± 20
mA
IO
DC Output Current
± 35
mA
± 70
mA
VI
DC Input Voltage
VO
DC Output Voltage
IIK
ICC or IGND DC VCC or Ground Current
PD
Power Dissipation
Tstg
Storage Temperature
TL
Lead Temperature (10 sec)
V
420
mW
-65 to +150
°C
265
°C
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied
RECOMMENDED OPERATING CONDITIONS
Symbol
VCC
Parameter
Supply Voltage
Value
Unit
2 to 6
V
VI
Input Voltage
0 to VCC
V
VO
Output Voltage
0 to VCC
V
Top
Operating Temperature
-55 to 125
°C
VCC = 2.0V
0 to 1000
ns
VCC = 4.5V
0 to 500
ns
VCC = 6.0V
0 to 400
ns
Input Rise and Fall Time
tr, tf
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M54HC240
DC SPECIFICATIONS
Test Condition
Symbol
VIH
VIL
VOH
VOL
II
IOZ
ICC
4/10
Parameter
High Level Input
Voltage
Low Level Input
Voltage
High Level Output
Voltage
Low Level Output
Voltage
Input Leakage
Current
High Impedance
Output Leakage
Current
Quiescent Supply
Current
Value
TA = 25°C
VCC
(V)
Min.
2.0
4.5
6.0
2.0
4.5
6.0
Typ.
Max.
1.5
3.15
4.2
-40 to 85°C
-55 to 125°C
Min.
Min.
Max.
1.5
3.15
4.2
0.5
1.35
1.8
Max.
1.5
3.15
4.2
0.5
1.35
1.8
V
0.5
1.35
1.8
2.0
IO=-20 µA
1.9
2.0
1.9
1.9
4.5
IO=-20 µA
4.4
4.5
4.4
4.4
Unit
V
6.0
IO=-20 µA
5.9
6.0
5.9
5.9
4.5
IO=-6.0 mA
4.18
4.31
4.13
4.10
6.0
IO=-7.8 mA
5.68
2.0
IO=20 µA
0.0
0.1
0.1
0.1
4.5
IO=20 µA
0.0
0.1
0.1
0.1
6.0
IO=20 µA
0.0
0.1
0.1
0.1
4.5
IO=6.0 mA
0.17
0.26
0.33
0.40
6.0
IO=7.8 mA
0.18
0.26
0.33
0.40
6.0
VI = VCC or GND
± 0.1
±1
±1
µA
6.0
VI = VIH or VIL
VO = VCC or GND
± 0.5
±5
± 10
µA
6.0
VI = VCC or GND
4
40
80
µA
5.8
5.63
V
5.60
V
M54HC240
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns)
Test Condition
Symbol
Parameter
tTLH tTHL Output Transition
Time
tPLH tPHL Propagation Delay
Time
tPZL tPZH High Impedance
Output Enable
Time
tPLZ tPHZ High Impedance
Output Disable
Time
VCC
(V)
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
Value
TA = 25°C
CL
(pF)
Min.
50
50
150
50
RL = 1 KΩ
150
RL = 1 KΩ
50
RL = 1 KΩ
Typ.
Max.
25
7
6
36
12
10
51
17
14
48
16
14
63
21
18
32
15
14
60
12
10
90
18
15
130
26
22
125
25
21
165
33
28
125
25
21
-40 to 85°C
-55 to 125°C
Min.
Min.
Max.
75
19
13
115
23
20
165
33
28
155
31
25
205
41
35
155
31
26
Unit
Max.
90
18
15
135
27
23
195
39
33
190
38
32
250
50
43
190
38
32
ns
ns
ns
ns
ns
ns
CAPACITIVE CHARACTERISTICS
Test Condition
Symbol
Parameter
CIN
Input Capacitance
COUT
Output
Capacitance
Power Dissipation
Capacitance
(note 1)
CPD
VCC
(V)
Value
TA = 25°C
Min.
-40 to 85°C
-55 to 125°C
Min.
Min.
Max.
Unit
Typ.
Max.
5.0
5
10
5.0
10
pF
5.0
31
pF
10
Max.
10
pF
1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/8 (per circuit)
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M54HC240
TEST CIRCUIT
TEST
tPLH, tPHL
SWITCH
Open
tPZL, tPLZ
VCC
tPZH, tPHZ
GND
CL = 50pF/150pF or equivalent (includes jig and probe capacitance)
R1 = 1KΩ or equivalent
RT = ZOUT of pulse generator (typically 50Ω)
WAVEFORM 1: PROPAGATION DELAY TIME (f=1MHz; 50% duty cycle)
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M54HC240
WAVEFORM 2:OUTPUT ENABLE AND DISABLE TIME (f=1MHz; 50% duty cycle)
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M54HC240
DILC-20 MECHANICAL DATA
mm.
inch
DIM.
MIN.
TYP
MAX.
MIN.
TYP.
MAX.
A
2.1
2.71
0.083
0.107
a1
3.00
3.70
0.118
0.146
a2
0.63
0.88
1.14
0.025
0.035
0.045
B
1.93
2.03
2.23
0.076
0.080
0.088
b
0.40
0.45
0.50
0.016
0.018
0.020
b1
0.20
0.254
0.30
0.008
0.010
0.012
D
25.14
25.40
25.65
0.990
1.000
1.010
e
7.36
7.62
7.87
0.290
0.300
0.310
e1
2.54
0.100
e2
22.73
22.86
22.99
0.895
0.900
0.905
e3
7.62
7.87
8.12
0.300
0.310
0.320
F
7.29
7.49
7.70
0.287
0.295
0.303
I
3.86
K
11.30
L
1.14
1.27
0.152
11.56
0.445
1.40
0.045
0.455
0.050
0.055
0016178J
8/10
M54HC240
FPC-20 MECHANICAL DATA
mm.
inch
DIM.
MIN.
TYP
MAX.
MIN.
TYP.
MAX.
A
9.98
10.16
10.34
0.393
0.400
0.407
B
9.98
10.16
10.34
0.393
0.400
0.407
C
1.45
1.61
1.78
0.57
0.63
0.070
D
0.10
0.127
0.18
0.004
0.005
0.007
E
11.30
11.43
11.56
0.445
0.450
0.455
F
1.27
G
0.38
H
0.48
0.015
7.24
8.16
0.285
0.320
L
24.46
26.67
0.960
1.050
M
0.45
0.55
0.018
N
0.43
0.050
0.50
7.87
0.017
0.020
0.019
0.022
0.310
O
1.14
1.27
1.40
0.045
0.050
0.055
P
0.10
0.18
0.25
0.004
0.007
0.010
016032F
9/10
M54HC240
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consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from
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mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information
previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or
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