Page 1
SEMICONDUCTOR TECHNICAL DATA
1
REV 7
Motorola, Inc. 1997
2/97
High–Performance Silicon–Gate CMOS
The MC54/74HC640A is identical in pinout to the LS640. The device
inputs are compatible with standard CMOS outputs; with pullup resistors,
they are compatible with LSTTL outputs.
The HC640A is a 3–state transceiver that is used for 2–way asynchronous
communication between data buses. The device has an active–low Output
Enable pin, which is used to place the I/O ports into high–impedance states.
The Direction control determines whether data flows from A to B or from B
to A.
• Output Drive Capability: 15 LSTTL Loads
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 2 to 6 V
• Low Input Current: 1 µA
• High Noise Immunity Characteristic of CMOS Devices
• In Compliance with the Requirements Defined by JEDEC Standard
No. 7A
• Chip Complexity: 276 FETs or 69 Equivalent Gates
LOGIC DIAGRAM
A
DATA
PORT
A8
A7
A6
A5
A3
A4
A2
A1
9
8
7
6
5
4
3
2
DIRECTION
OUTPUT ENABLE
1
19
PIN 10 = GND
PIN 20 = V
CC
18
17
16
15
14
13
12
11
B1
B2
B3
B4
B5
B6
B7
B8
B
DATA
PORT
FUNCTION TABLE
Control Inputs
Output
Enable
Direction
Operation
L L Data Transmitted from Bus B
to Bus A (Inverted)
L H Data Transmitted from Bus A
to Bus B (Inverted)
H X Buses Isolated
(High–Impedance State)
X = don’t care
PIN ASSIGNMENT
A5
A3
A2
A1
DIRECTION
GND
A8
A7
A6
A4 5
4
3
2
1
10
9
8
7
6
14
15
16
17
18
19
20
11
12
13
B3
B2
B1
OUTPUT
ENABLE
V
CC
B8
B7
B6
B5
B4
DW SUFFIX
SOIC PACKAGE
CASE 751D–04
N SUFFIX
PLASTIC PACKAGE
CASE 738–03
ORDERING INFORMATION
MC54HCXXXAJ
MC74HCXXXAN
MC74HCXXXADW
Ceramic
Plastic
SOIC
J SUFFIX
CERAMIC PACKAGE
CASE 732–03
1
20
1
20
1
20
Page 2
MC54/74HC640A
MOTOROLA High–Speed CMOS Logic Data
DL129 — Rev 6
2
MAXIMUM RATINGS*
Symbol
Parameter
Value
Unit
V
CC
DC Supply Voltage (Referenced to GND)
– 0.5 to + 7.0
V
V
in
DC Input Voltage (Referenced to GND), Pin 1 or 19
– 0.5 to VCC + 0.5
V
V
I/O
DC I/O Voltage (Referenced to GND)
– 0.5 to VCC + 0.5
V
I
in
DC Input Current, per Pin
± 20
mA
I
I/O
DC I/O Current, per Pin
± 35
mA
I
CC
DC Supply Current, VCC and GND Pins
± 75
mA
P
D
Power Dissipation in Still Air, Plastic or Ceramic DIP†
SOIC Package†
750
500
mW
T
stg
Storage Temperature
– 65 to + 150
_
C
Î
Î
T
L
ОООООООООООО
Î
Lead Temperature, 1 mm from Case for 10 Seconds
(Plastic DIP or SOIC Package)
(Ceramic DIP)
ÎÎÎÎ
Î
260
300
Î
Î
_
C
*Maximum Ratings are those values beyond which damage to the device may occur .
Functional operation should be restricted to the Recommended Operating Conditions.
†Derating — Plastic DIP: – 10 mW/_C from 65_ to 125_C
Ceramic DIP: – 10 mW/_C from 100_ to 125_C
SOIC Package: – 7 mW/_C from 65_ to 125_C
For high frequency or heavy load considerations, see Chapter 2 of the Motorola High–Speed CMOS Data Book (DL129/D).
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Min
Max
Unit
ÎÎ
V
CC
ОООООООООООО
DC Supply Voltage (Referenced to GND)
Î
2.0Î6.0ÎV
Vin, V
out
DC Input Voltage, Output Voltage (Referenced to GND)
0
V
CC
V
T
A
Operating Temperature, All Package Types
– 55
+ 125
_
C
ÎÎ
Î
ÎÎ
tr, t
f
ОООООООООООО
Î
ОООООООООООО
Input Rise and Fall Time VCC = 2.0 V
(Figure 1) VCC = 4.5 V
VCC = 6.0 V
Î
Î
Î
0
0
0
Î
Î
Î
1000
500
400
Î
Î
Î
ns
DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND)
Guaranteed Limit
ÎÎ
Symbol
ООООООО
Parameter
ООООООО
Test Conditions
ÎÎ
V
CC
V
ÎÎ
– 55 to
25_C
ÎÎ
v
85_C
ÎÎ
v
125_C
Î
Unit
ÎÎ
Î
ÎÎ
Î
V
IH
ООООООО
Î
ООООООО
Î
Minimum High–Level Input
Voltage
ООООООО
Î
ООООООО
Î
V
out
= VCC – 0.1 V
|I
out
| v 20 µA
ÎÎ
Î
ÎÎ
Î
2.0
3.0
4.5
6.0
ÎÎ
ÎÎ
1.5
2.1
3.15
4.2
ÎÎ
Î
ÎÎ
Î
1.5
2.1
3.15
4.2
ÎÎ
Î
ÎÎ
Î
1.5
2.1
3.15
4.2
Î
Î
Î
Î
V
ÎÎ
Î
ÎÎ
Î
V
IL
ООООООО
Î
ООООООО
Î
Maximum Low–Level Input
Voltage
ООООООО
Î
ООООООО
Î
V
out
= 0.1 V
|I
out
| v 20 µA
ÎÎ
Î
ÎÎ
Î
2.0
3.0
4.5
6.0
ÎÎ
ÎÎ
0.5
0.9
1.35
1.8
ÎÎ
Î
ÎÎ
Î
0.5
0.9
1.35
1.8
ÎÎ
Î
ÎÎ
Î
0.5
0.9
1.35
1.8
Î
Î
Î
Î
V
ÎÎ
Î
V
OH
ООООООО
Î
Minimum High–Level Output
Voltage
ООООООО
Î
Vin = V
IH
|I
out
| v 20 µA
ÎÎ
Î
2.0
4.5
6.0
ÎÎ
1.9
4.4
5.9
ÎÎ
Î
1.9
4.4
5.9
ÎÎ
Î
1.9
4.4
5.9
Î
Î
V
ÎÎ
Î
ÎÎ
Î
ООООООО
Î
ООООООО
Î
ООООООО
Î
ООООООО
Î
Vin = V
IH
|I
out
| v 2.4 mA
|I
out
| v 6.0 mA
|I
out
| v 7.8 mA
ÎÎ
Î
ÎÎ
Î
3.0
4.5
6.0
ÎÎ
ÎÎ
2.48
3.98
5.48
ÎÎ
Î
ÎÎ
Î
2.34
3.84
5.34
ÎÎ
Î
ÎÎ
Î
2.2
3.7
5.2
Î
Î
Î
Î
ÎÎ
Î
ÎÎ
Î
V
OL
ООООООО
Î
ООООООО
Î
Maximum Low–Level Output
Voltage
ООООООО
Î
ООООООО
Î
Vin = V
IL
|I
out
| v 20 µA
ÎÎ
Î
ÎÎ
Î
2.0
4.5
6.0
ÎÎ
ÎÎ
0.1
0.1
0.1
ÎÎ
Î
ÎÎ
Î
0.1
0.1
0.1
ÎÎ
Î
ÎÎ
Î
0.1
0.1
0.1
Î
Î
Î
Î
V
ÎÎÎОООООООÎООООООО
Î
Vin = V
IL
|I
out
| v 2.4 mA
|I
out
| v 6.0 mA
|I
out
| v 7.8 mA
ÎÎ
Î
3.0
4.5
6.0
ÎÎ
0.26
0.26
0.26
ÎÎ
Î
0.33
0.33
0.33
ÎÎ
Î
0.4
0.4
0.4
Î
Î
This device contains protection
circuitry to guard against damage
due to high static voltages or electric
fields. However, precautions must
be taken to avoid applications of any
voltage higher than maximum rated
voltages to this high–impedance circuit. For proper operation, Vin and
V
out
should be constrained to the
range GND v (Vin or V
out
) v VCC.
Unused inputs must always be
tied to an appropriate logic voltage
level (e.g., either GND or VCC).
Unused outputs must be left open.
I/O pins must be connected to a
properly terminated line or bus.
Page 3
MC54/74HC640A
High–Speed CMOS Logic Data
DL129 — Rev 6
3 MOTOROLA
DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND)
Guaranteed Limit
Unit
v
125_C
v
85_C
– 55 to
25_C
V
CC
V
Test Conditions
Parameter
Symbol
I
in
Maximum Input Leakage Current
Vin = VCC or GND
6.0
± 0.1
± 1.0
± 1.0
µA
ÎÎ
Î
ÎÎ
Î
I
OZ
ООООООО
Î
ООООООО
Î
Maximum Three–State Leakage
Current
ООООООО
Î
ООООООО
Î
Output in High–Impedance State
Vin = VIL or V
IH
V
out
= VCC or GND
ÎÎ
Î
ÎÎ
Î
6.0
ÎÎ
ÎÎ
± 0.5
ÎÎ
Î
ÎÎ
Î
± 5.0
ÎÎ
Î
ÎÎ
Î
± 10
Î
Î
Î
Î
µA
I
CC
Maximum Quiescent Supply
Current (per Package)
Vin = VCC or GND
I
out
= 0 µA
6.0
4.0
40
160
µA
NOTE:Information on typical parametric values can be found in Chapter 2 of the Motorola High–Speed CMOS Data Book (DL129/D).
AC ELECTRICAL CHARACTERISTICS (C
L
= 50 pF, Input tr = tf = 6 ns)
Guaranteed Limit
Symbol
Parameter
V
CC
V
– 55 to
25_C
v
85_Cv 125_C
Unit
ÎÎ
Î
ÎÎ
Î
t
PLH
,
t
PHL
ООООООООООООООО
Î
ООООООООООООООО
Î
Maximum Propagation Delay, A to B, B to A
(Figures 1 and 3)
ÎÎ
Î
ÎÎ
Î
2.0
3.0
4.5
6.0
ÎÎ
ÎÎ
75
55
15
13
ÎÎ
Î
ÎÎ
Î
95
70
19
16
ÎÎ
Î
ÎÎ
Î
110
80
22
19
Î
Î
Î
Î
ns
ÎÎ
Î
ÎÎ
Î
t
PLZ
,
t
PHZ
ООООООООООООООО
Î
ООООООООООООООО
Î
Maximum Propagation Delay, Direction or Output Enable to A or B
(Figures 2 and 4)
ÎÎ
Î
ÎÎ
Î
2.0
3.0
4.5
6.0
ÎÎ
ÎÎ
110
90
22
19
ÎÎ
Î
ÎÎ
Î
140
110
28
24
ÎÎ
Î
ÎÎ
Î
165
130
33
28
Î
Î
Î
Î
ns
ÎÎ
Î
ÎÎ
Î
t
PZL
,
t
PZH
ООООООООООООООО
Î
ООООООООООООООО
Î
Maximum Propagation Delay, Output Enable to A or B
(Figures 2 and 4)
ÎÎ
Î
ÎÎ
Î
2.0
3.0
4.5
6.0
ÎÎ
ÎÎ
110
90
22
19
ÎÎ
Î
ÎÎ
Î
140
110
28
24
ÎÎ
Î
ÎÎ
Î
165
130
33
25
Î
Î
Î
Î
ns
ÎÎ
Î
ÎÎ
Î
t
TLH
,
t
THL
ООООООООООООООО
Î
ООООООООООООООО
Î
Maximum Output Transition Time, Any Output
(Figures 1 and 3)
ÎÎ
Î
ÎÎ
Î
2.0
3.0
4.5
6.0
ÎÎ
ÎÎ
60
23
12
10
ÎÎ
Î
ÎÎ
Î
75
27
15
13
ÎÎ
Î
ÎÎ
Î
90
32
18
15
Î
Î
Î
Î
ns
C
in
Maximum Input Capacitance, Pin 1 or 19
—
10
10
10
pF
ÎÎ
Î
C
out
ООООООООООООООО
Î
Maximum Three–State I/O Capacitance
(Output in High–Impedance State)
ÎÎ
Î
—
ÎÎ15ÎÎ
Î
15
ÎÎ
Î
15
Î
Î
pF
NOTE:For propagation delays with loads other than 50 pF , and information on typical parametric values, see Chapter 2 of the Motorola High–
Speed CMOS Data Book (DL129/D).
Typical @ 25°C, VCC = 5.0 V
C
PD
Power Dissipation Capacitance (Per Transceiver Channel)*
40
pF
*Used to determine the no–load dynamic power consumption: PD = CPD V
CC
2
f + ICC VCC. For load considerations, see Chapter 2 of the
Motorola High–Speed CMOS Data Book (DL129/D).
Page 4
MC54/74HC640A
MOTOROLA High–Speed CMOS Logic Data
DL129 — Rev 6
4
SWITCHING W AVEFORMS
Figure 1.
OUTPUT
ENABLE
A OR B
A OR B
50%
50%
50%
90%
10%
t
PZLtPLZ
t
PZHtPHZ
V
CC
GND
HIGH
IMPEDANCE
V
OL
V
OH
HIGH
IMPEDANCE
V
CC
GND
50%
Figure 2.
DIRECTION
INPUT
A OR B
OUTPUT
B OR A
V
CC
GND
t
f
t
r
90%
50%
10%
90%
50%
10%
t
PHL
t
PLH
t
THL
t
TLH
tTEST CIRCUITS
*Includes all probe and jig capacitance
CL*
TEST POINT
DEVICE
UNDER
TEST
OUTPUT
Figure 3.
*Includes all probe and jig capacitance
CL*
TEST POINT
DEVICE
UNDER
TEST
OUTPUT
Figure 4.
CONNECT TO VCC WHEN
TESTING t
PLZ
AND t
PZL
.
CONNECT TO GND WHEN
TESTING t
PHZ
AND t
PZH
.
1 k
Ω
Page 5
MC54/74HC640A
High–Speed CMOS Logic Data
DL129 — Rev 6
5 MOTOROLA
EXPANDED LOGIC DIAGRAM
A
DATA
PORT
B
DATA
PORT
OUTPUT ENABLE
DIRECTION
A1
A2
A3
A4
A5
A6
A7
A8
2
3
4
5
6
7
8
9
19
1
B1
B2
B3
B4
B5
B6
B7
B8
18
17
16
15
14
13
12
11
Page 6
MC54/74HC640A
MOTOROLA High–Speed CMOS Logic Data
DL129 — Rev 6
6
OUTLINE DIMENSIONS
J SUFFIX
CERAMIC PACKAGE
CASE 732–03
ISSUE E
N SUFFIX
PLASTIC PACKAGE
CASE 738–03
ISSUE E
DW SUFFIX
PLASTIC SOIC PACKAGE
CASE 751D–04
ISSUE E
NOTES:
1. LEADS WITHIN 0.25 (0.010) DIAMETER, TRUE
POSITION AT SEATING PLANE, AT MAXIMUM
MATERIAL CONDITION.
2. DIMENSION L TO CENTER OF LEADS WHEN
FORMED PARALLEL.
3. DIMENSIONS A AND B INCLUDE MENISCUS.
DIM MIN MAX MIN MAX
INCHESMILLIMETERS
A 23.88 25.15 0.940 0.990
B 6.60 7.49 0.260 0.295
C 3.81 5.08 0.150 0.200
D 0.38 0.56 0.015 0.022
F 1.40 1.65 0.055 0.065
G 2.54 BSC 0.100 BSC
H 0.51 1.27 0.020 0.050
J 0.20 0.30 0.008 0.012
K 3.18 4.06 0.125 0.160
L 7.62 BSC 0.300 BSC
M 0 15 0 15
N 0.25 1.02 0.010 0.040
____
A
20
110
11
B
F
C
SEATING
PLANE
D
H
G
K
N
J
M
L
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION L TO CENTER OF LEAD WHEN
FORMED PARALLEL.
4. DIMENSION B DOES NOT INCLUDE MOLD
FLASH.
M
L
J
20 PL
M
B
M
0.25 (0.010) T
DIM MIN MAX MIN MAX
MILLIMETERSINCHES
A 25.66 27.171.010 1.070
B 6.10 6.600.240 0.260
C 3.81 4.570.150 0.180
D 0.39 0.550.015 0.022
G 2.54 BSC0.100 BSC
J 0.21 0.380.008 0.015
K 2.80 3.550.110 0.140
L 7.62 BSC0.300 BSC
M 0 15 0 15
N 0.51 1.010.020 0.040
____
E
1.27 1.770.050 0.070
1
11
10
20
–A–
SEATING
PLANE
K
N
FG
D
20 PL
–T–
M
A
M
0.25 (0.010) T
E
B
C
F
1.27 BSC0.050 BSC
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS A AND B DO NOT INCLUDE
MOLD PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.150
(0.006) PER SIDE.
5. DIMENSION D DOES NOT INCLUDE
DAMBAR PROTRUSION. ALLOWABLE
DAMBAR PROTRUSION SHALL BE 0.13
(0.005) TOTAL IN EXCESS OF D DIMENSION
AT MAXIMUM MATERIAL CONDITION.
–A–
–B–
20
1
11
10
S
A
M
0.010 (0.25) B
S
T
D20X
M
B
M
0.010 (0.25)
P10X
J
F
G
18X
K
C
–T–
SEATING
PLANE
M
R
X 45
_
DIM MIN MAX MIN MAX
INCHESMILLIMETERS
A 12.65 12.95 0.499 0.510
B 7.40 7.60 0.292 0.299
C 2.35 2.65 0.093 0.104
D 0.35 0.49 0.014 0.019
F 0.50 0.90 0.020 0.035
G 1.27 BSC 0.050 BSC
J 0.25 0.32 0.010 0.012
K 0.10 0.25 0.004 0.009
M 0 7 0 7
P 10.05 10.55 0.395 0.415
R 0.25 0.75 0.010 0.029
__
__
Page 7
MC54/74HC640A
High–Speed CMOS Logic Data
DL129 — Rev 6
7 MOTOROLA
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