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74F243SC PDF даташит

Спецификация 74F243SC изготовлена ​​​​«Fairchild» и имеет функцию, называемую «Quad Bus Transceiver with 3-STATE Outputs».

Детали детали

Номер произв 74F243SC
Описание Quad Bus Transceiver with 3-STATE Outputs
Производители Fairchild
логотип Fairchild логотип 

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74F243SC Даташит, Описание, Даташиты
April 1988
Revised July 1999
74F243
Quad Bus Transceiver with 3-STATE Outputs
General Description
The 74F243 is a quad bus transmitter/receiver designed for
4-line asynchronous 2-way data communications between
data busses.
Features
s 2-Way asynchronous data bus communication
s Input clamp diodes limit high-speed termination effects
Ordering Code:
Order Code Package Number
Package Description
74F243SC
M14A
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150 Narrow
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbol
Connection Diagram
IEEE/IEC
Truth Table
H = HIGH Voltage Level
L = LOW Voltage Level
Inputs
E1
L
L
H
H
Z = High Impedance
N/A = Not Allowed
E2
L
H
L
H
Unit Loading/Fan Out
Inputs/Outputs
An
Input
N/A
Z
A=B
Bn
B=A
N/A
Z
Input
Pin
Names
Description
U.L.
Input IIH/IIL
HIGH/LOW Output IOH/IOL
E1
E2
An, Bn
Enable Input (Active LOW)
Enable Input (Active HIGH)
Inputs
Outputs
1.0/1.67
1.0/1.67
3.5/2.67
600/106.6
(80)
20 µA/1 mA
20 µA/1 mA
70 µA/1.6 mA
12 mA/64 mA
(48 mA)
© 1999 Fairchild Semiconductor Corporation DS009502
www.fairchildsemi.com









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74F243SC Даташит, Описание, Даташиты
Absolute Maximum Ratings(Note 1)
Storage Temperature
65°C to +150°C
Ambient Temperature under Bias
55°C to +125°C
Junction Temperature under Bias
55°C to +150°C
VCC Pin Potential to Ground Pin
Input Voltage (Note 2)
0.5V to +7.0V
0.5V to +7.0V
Input Current (Note 2)
30 mA to +5.0 mA
Voltage Applied to Output
in HIGH State (with VCC = 0V)
Standard Output
3-STATE Output
0.5V to VCC
0.5V to +5.5V
Current Applied to Output
in LOW State (Max)
twice the rated IOL (mA)
ESD Last Passing Voltage (Min)
4000V
Recommended Operating
Conditions
Free Air Ambient Temperature
Supply Voltage
0°C to +70°C
+4.5V to +5.5V
Note 1: Absolute maximum ratings are values beyond which the device
may be damaged or have its useful life impaired. Functional operation
under these conditions is not implied.
Note 2: Either voltage limit or current limit is sufficient to protect inputs.
DC Electrical Characteristics
Symbol
Parameter
Min
Typ
Max
Units
VCC
Conditions
VIH Input HIGH Voltage
2.0
VIL Input LOW Voltage
VCD Input Clamp Diode Voltage
VOH Output HIGH
10% VCC
2.4
Voltage
10% VCC
2.0
5% VCC
2.7
VOL Output LOW
10% VCC
Voltage
IIH Input HIGH
Current
V
0.8 V
1.2 V
V
0.55 V
Recognized as a HIGH Signal
Recognized as a LOW Signal
Min IIN = −18 mA
IOH = −3 mA (An, Bn)
Min IOH = −15 mA (An, Bn)
IOH = −3 mA (An, Bn)
Min IOL = 64 mA (An, Bn)
5.0 µA Max VIN = 2.7V
IBVI
IBVIT
ICEX
VID
IOD
Input HIGH Current
Breakdown Test
Input HIGH Current
Breakdown (I/O)
Output HIGH
Leakage Current
Input Leakage
Test
Output Leakage
Circuit Current
4.75
7.0 µA Max VIN = 7.0V (E1, E2)
0.5 mA Max VIN = 5.5V (An, Bn)
50 µA Max VOUT = VCC
V
3.75 µA
0.0 IID = 1.9 µA
All Other Pins Grounded
0.0 VIOD = 150 mV
All Other Pins Grounded
IIL
IIH + IOZH
IIL + IOZL
IOS
ICCH
ICCL
ICCZ
Input LOW Current
Output Leakage Current
Output Leakage Current
Output Short-Circuit Current
Power Supply Current
Power Supply Current
Power Supply Current
1.0 mA Max VIN = 0.5V (E1, E2)
70 µA Max VOUT = 2.7V (An, Bn)
1.6 mA Max VOUT = 0.5V (An, Bn)
100
225 mA Max VOUT = 0V (An, Bn)
64 80 mA Max VO = HIGH
64 90 mA Max VO = LOW
71 90 mA Max VO = HIGH Z
www.fairchildsemi.com
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74F243SC Даташит, Описание, Даташиты
AC Electrical Characteristics
Symbol
Parameter
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Propagation Delay
An to Bn, Bn to An
Output Enable Time
E1 to Bn, E2 to An
Output Disable Time
E1 to Bn, E2 to An
TA = +25°C
VCC = +5.0V
CL = 50 pF
Min Typ Max
2.5 4.0 5.2
2.5 4.0 5.2
2.0 4.3 5.7
2.0 5.8 7.5
2.0 4.5 6.0
2.0 4.5 6.0
TA = −55°C to +125°C
VCC = 5.0V
CL = 50 pF
Min Max
2.0 6.5
2.0 8.5
2.0 8.0
2.0 10.5
1.5 7.5
2.0 8.5
TA = 0°C to +70°C
VCC = 5.0V
CL = 50 pF
Min Max
2.0 6.2
2.0 6.5
2.0 6.7
2.0 8.5
1.5 7.0
2.0 7.0
Units
ns
ns
3 www.fairchildsemi.com










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