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參數(shù)資料
| 型號： | 7403 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 4-Bit x 64-word FIFO register; 3-state |
| 中文描述： | 4位× 64字的FIFO寄存器，三態(tài) |
| 文件頁數(shù)： | 16/28頁 |
| 文件大?。?/td> | 163K |
| 代理商： | 7403 |
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September 1993
16
Philips Semiconductors
Product specification
4-Bit x 64-word FIFO register; 3-state
74HC/HCT7403
With FIFO empty; SO is held HIGH in anticipation
Notes to Fig.10
1.
2.
3.
4.
FIFO is initially empty, SO is held HIGH
SI pulse; loads data into FIFO and initiates ripple through process
DOR flag signals the arrival of valid data at the output stage
Output transition; data arrives at output stage after the specified propagation delay between the rising edge of the
DOR pulse to the Q
n
output
DOR goes LOW; data shift-out is complete, FIFO is empty again
SO set LOW; necessary to complete shift-out process. DOR remains LOW, because FIFO is empty.
5.
6.
Fig.10 Waveforms showing ripple through delay SI input to DOR output, DOR output pulse width and propagation
delay from the DOR pulse to the Q
n
output.
handbook, full pagewidth
SI INPUT
MGA658
3
5
Qn
DOR OUTPUT
VM
(1)
2
ripple through
delay
VM
(1)
6
4
SO INPUT
tPLH
tPLH
tPHL
VM
(1)
1
tW
(1) HC : V
M
= 50%; V
I
= GND to V
.
HCT: V
M
= 1.3 V; V
I
= GND to 3 V.
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相關(guān)代理商/技術(shù)參數(shù) |
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| 7403 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| 7403 | 制造商:Thomas & Betts 功能描述:GROMMET GLAND |
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| 74030 | 制造商:MYRRA 功能描述:TRANSFORMER EE25 30W |
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