파트넘버.co.kr 74F2240 데이터시트 PDF


74F2240 반도체 회로 부품 판매점

Octal Buffer/Line Driver with 25W Series Resistors in the Outputs



Fairchild 로고
Fairchild
74F2240 데이터시트, 핀배열, 회로
January 1995
Revised May 1999
74F2240
Octal Buffer/Line Driver
with 25Series Resistors in the Outputs
General Description
The 74F2240 is an inverting octal buffer and line driver
designed to drive capacitive inputs of MOS memory
devices, address and clock lines or act as a low under-
shoot general purpose bus driver.
The 25series resistor in the outputs reduces undershoot
and ringing and eliminates the need for external resistors.
Features
s 3-STATE outputs drive bus lines or buffer memory
address registers
s Outputs sink 12 mA and source 15 mA
s 25series resistors in outputs eliminate the need for
external resistors
s Designed to drive the capacitive inputs of MOS devices
s Guaranteed 4000V minimum ESD protection
Ordering Code:
Order Number Package Number
Package Description
74F2240SC
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
74F2240QC
V20A
20-Lead Plastic Lead Chip Carrier (PLCC), JEDEC MO-047, 0.350 Square
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Truth Table
OE1 D1n O1n OE2 D2n O2n
HXZHXZ
LHL LHL
L LHL LH
Unit Loading/Fan Out
Pin
Names
Description
U.L.
HIGH/LOW
Output
IOH/IOL
OE1, OE2 3-STATE Output
Enable Input
1.0/1.667 20 µA/1 mA
(Active LOW)
I0 - I7
O0 - O7
Inputs
Outputs
1.0/1.667 20 µA/1 mA
750/20 15 mA/12 mA
© 1999 Fairchild Semiconductor Corporation DS010898.prf
www.fairchildsemi.com


74F2240 데이터시트, 핀배열, 회로
Absolute Maximum Ratings(Note 1)
Storage Temperature
Ambient Temperature under Bias
Junction Temperature under Bias
VCC Pin Potential to Ground Pin
Input Voltage (Note 2)
Input Current (Note 2)
Voltage Applied to Output
In HIGH State (with VCC = 0V)
Standard Output
3-STATE Output
Current Applied to Output
in LOW State (Max)
ESD Last Passing Voltage (Min)
65°C to + 150°C
55° to +125°C
55°C to +150°C
0.5V to +7.0V
0.5V to +7.0V
30 mA to +5.0 mA
0.5V to VCC
0.5V to +5.5V
twice the rated IOL (mA)
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
VIL
VCD
VOH
VOL
IIH
IBVI
ICEX
VID
IOD
IIL
IOZH
IOZL
IOS
IZZ
ICCH
ICCL
ICCZ
Input HIGH Voltage
Input LOW Voltage
Input Clamp Diode Voltage
Output HIGH
Voltage
Output LOW Voltage
Input HIGH Current
10% VCC
10% VCC
10% VCC
Input HIGH Current Breakdown Test
Output HIGH Leakage Current
Input Leakage
Test
Output Leakage
Circuit Current
Input LOW
Current
Output Leakage Current
Output Leakage Current
Output Short-Circuit Current
Bus Drainage Test
Power Supply Current
Power Supply Current
Power Supply Current
2.0
2.4
2.0
4.75
100
16
47
45
0.8
1.2
0.75
5.0
7.0
50
3.75
1.0
50
50
225
500
29
75
63
V Recognized as a HIGH Signal
V Recognized as a LOW Signal
V Min IIN = −18 mA
V Min IOH = −3 mA
IOH = −15 mA
V Min IOL = 12 mA
µA Max VIN = 2.7V
µA Max VIN = 7.0V
µA Max VOUT = VCC
V 0.0 IID = 1.9 µA
All Other Pins Grounded
µA 0.0 VIOD = 150 mV
All Other Pins Grounded
VIN = 0.5V
mA Max
(OE1, OE2, Dn)
µA Max VOUT = 2.7V
µA Max VOUT = 0.5V
mA Max VOUT = 0V
µA 0.0 VOUT = 5.25V
mA Max VO = HIGH
mA Max VO = LOW
mA Max VO = HIGH Z
www.fairchildsemi.com
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74F2240 driver

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