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參數(shù)資料
| 型號(hào)： | 74F8960 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Octal latched bidirectional Futurebus transceivers(3-State + open-collector)(八鎖存雙向預(yù)置總線收發(fā)器（三態(tài)+開啟集電極）) |
| 中文描述： | 八進(jìn)制鎖存雙向Futurebus收發(fā)器（3態(tài)開集電極）（八鎖存雙向預(yù)置總線收發(fā)器（三態(tài)開啟集電極）） |
| 文件頁數(shù)： | 6/11頁 |
| 文件大?。?/td> | 194K |
| 代理商： | 74F8960 |
Philips Semiconductors FAST Products
Product specification
74F8960/74F8961
Octal latched bidirectional Futurebus transceivers
(3-State + open-collector)
December 19, 1990
6
FUNCTION TABLE FOR 74F8961
INPUTS
LATCH
OUTPUTS
OPERATING MODE
An
Bn*
LE
OEA
OEB
0
L
OEB
1
L
STATE
An
Bn
H
X
L
L
H
Z
H**
A 3–state, data from A to B
L
X
L
L
L
L
L
Z
L
X
X
H
L
L
L
Qn
Z
Qn
A 3–state, latched data to B
–
–
L
H
L
L
(1)
(1)
(1)
Feedback: A to B, B to A
–
H
H
H
L
L
H (2)
H
Z(2)
Preconditioned latch enabling data transfer from B to A
–
L
H
H
L
L
H (2)
L
Z(2)
–
–
H
H
L
L
Qn
Qn
Qn
Latch state to A and B
H
X
L
L
H
X
H
Z
Z
l
X
L
L
H
X
l
Z
Z
B and A 3–state
X
X
H
L
H
X
Qn
Z
Z
–
H
L
H
H
X
H
H
Z
–
L
L
H
H
H
L
L
Z
B 3–state, data from B to A
–
H
H
H
H
H
Qn
H
Z
–
L
H
H
H
H
Qn
L
Z
H
X
L
L
X
H
H
Z
Z
l
X
L
L
X
H
l
Z
Z
B and A 3–state
X
X
H
L
X
H
Qn
Z
Z
–
H
L
H
X
H
H
H
Z
–
L
L
H
X
H
L
L
Z
B 3–state, data from B to A
–
H
H
H
X
H
Qn
H
Z
–
L
H
H
X
H
Qn
L
Z
NOTES:
1. H =
2. L
3. X =
4. –
5. Z =
6. Q
n
=
7. (1) =
8. (2) =
9. H**=
10.B* =
High–voltage level
Low–voltage level
Don’t care
Input not externally driven
High impedance (off) state
High or low–voltage level one setup time prior to the low–to–high LE transition.
Condition will cause a feedback loop path: A to B and B to A.
The latch must be preconmditioned such that B inputs may assume a high or low level while OEB0 and OEB1 are low and LE is high.
Goes to level of pullup voltage.
Precaution should be taken to insure the B inputs do not float. If they do they are equal to low state.
=
=
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74F8962 | 9-Bit latched bidirectional Futurebus transceivers open-collector |
| 74F8963 | 9-Bit latched bidirectional Futurebus transceivers open-collector |
| 74F8965 | 9-Bit address/data Futurebus transceiver, ADT |
| 74F8966 | 9-Bit address/data Futurebus transceiver, ADT |
| 74F978PC | Octal D-Type Flip-Flop |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74F8961 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Octal latched bidirectional Futurebus transceivers 3-State open-collector |
| 74F8962 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:9-Bit latched bidirectional Futurebus transceivers open-collector |
| 74F8963 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:9-Bit latched bidirectional Futurebus transceivers open-collector |
| 74F8965 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:9-Bit address/data Futurebus transceiver, ADT |
| 74F8966 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:9-Bit address/data Futurebus transceiver, ADT |
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