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74F843SPCのメーカーはFairchildです、この部品の機能は「9-Bit Transparent Latch」です。 |
部品番号 | 74F843SPC |
| |
部品説明 | 9-Bit Transparent Latch | ||
メーカ | Fairchild | ||
ロゴ | |||
このページの下部にプレビューと74F843SPCダウンロード(pdfファイル)リンクがあります。 Total 6 pages
74F843
9-Bit Transparent Latch
General Description
The 74F843 bus interface latch is designed to eliminate the
extra packages required to buffer existing latches and pro-
vide extra data width for wider address/data paths or buses
carrying parity.
Features
s 3-STATE output
January 1988
Revised July 1999
Ordering Code:
Order Number Package Number
Package Description
74F843SC
M24B
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
74F843SPC
N24C
24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-100, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbols
Connection Diagram
IEEE
© 1999 Fairchild Semiconductor Corporation DS009453
www.fairchildsemi.com
1 Page 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)
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
ICC
Input HIGH Voltage
Input LOW Voltage
Input Clamp Diode Voltage
Output HIGH
Voltage
Output LOW Voltage
Input HIGH Current
10% VCC
10% VCC
5% VCC
5% 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
2.0
2.5
2.4
2.7
2.7
4.75
−60
V Recognized as a HIGH Signal
0.8 V
Recognized as a LOW Signal
−1.2
V
Min IIN = −18 mA
IOH = −1 mA
V Min IOH = −3 mA
IOH = −1 mA
IOH = −3 mA
0.5 V Min IOL = 24 mA
5.0 µA Max VIN = 2.7V
7.0 µA Max VIN = 7.0V
50 µA Max VOUT = VCC
V 0.0 IID = 1.9 µA
All other pins grounded
3.75
µA
0.0 VIOD = 150 mV
All other pins grounded
−0.6 mA Max VIN = 0.5V
50 µA Max VOUT = 2.7V
−50 µA Max VOUT = 0.5V
−150 mA Max VOUT = 0V
500 µA 0.0V VOUT = 5.25V
65 90 mA Max
3 www.fairchildsemi.com
3Pages Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-100, 0.300 Wide
Package Number N24C
Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and
Fairchild reserves the right at any time without notice to change said circuitry and specifications.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD
SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the
body, or (b) support or sustain life, and (c) whose failure
to perform when properly used in accordance with
instructions for use provided in the labeling, can be rea-
sonably expected to result in a significant injury to the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be rea-
sonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
www.fairchildsemi.com
www.fairchildsemi.com
6
6 Page | |||
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部品番号 | 部品説明 | メーカ |
74F843SPC | 9-Bit Transparent Latch | Fairchild |