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參數(shù)資料
| 型號(hào)： | 74F794SC |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | 8-Bit Register with Readback |
| 中文描述： | F/FAST SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, PDSO20 |
| 封裝： | 0.300 INCH, MS-013, SOIC-20 |
| 文件頁(yè)數(shù)： | 1/6頁(yè) |
| 文件大?。?/td> | 49K |
| 代理商： | 74F794SC |
1999 Fairchild Semiconductor Corporation
DS010652
www.fairchildsemi.com
March 1990
Revised August 1999
7
74F794
8-Bit Register with Readback
General Description
The 74F794 is an 8-bit register with readback capability
designed to store data as well as read the register informa-
tion back onto the data bus. The I/O bus (D bus) has 3-
STATE outputs. Current sinking capability is 64 mA on both
the D and Q busses.
Data is loaded into the registers on the LOW-to-HIGH tran-
sition of the clock (CP). The output enable (OE) is used to
enable data on D
0
–D
7
. When OE is LOW, the output of the
registers is enabled on D
0
–D
7
, enabling D as an output
bus. When OE is HIGH, D
0
–D
7
are inputs to the registers
configuring D as an input bus.
Features
I
3-STATE outputs on the I/O port
I
D and Q output sink capability of 64 mA
I
Functionally and pin equivalent to the 74LS794
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbol
Connection Diagram
Order Number
74F794SC
74F794PC
Package Number
M20B
N20A
Package Description
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
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| 74F807 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Octal shift/count registered transceiver with adder and parity 3.State |
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