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參數(shù)資料
| 型號： | 74F8961 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Octal latched bidirectional Futurebus transceivers 3-State open-collector |
| 中文描述： | 八進制鎖存雙向Futurebus收發(fā)器三態(tài)開路集電極 |
| 文件頁數(shù)： | 5/11頁 |
| 文件大?。?/td> | 194K |
| 代理商： | 74F8961 |
Philips Semiconductors FAST Products
Product specification
74F8960/74F8961
Octal latched bidirectional Futurebus transceivers
(3-State + open-collector)
December 19, 1990
5
FUNCTION TABLE FOR 74F8960
INPUTS
LATCH
OUTPUTS
OPERATING MODE
An
Bn*
LE
OEA
OEB
0
L
OEB
1
L
STATE
An
Bn
H
X
L
L
H
Z
L
A 3–state, data from A to B
L
X
L
L
L
L
L
Z
H**
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PDF資料 |
PDF描述 |
|---|---|
| 74F8960 | Octal latched bidirectional Futurebus transceivers(3-State + open-collector)(八鎖存雙向預置總線收發(fā)器（三態(tài)+開啟集電極）) |
| 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 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| 74F899 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:9-Bit Latchable Transceiver with Parity Generator/Checker |
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