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參數(shù)資料
| 型號(hào)： | 74F8966 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 9-Bit address/data Futurebus transceiver, ADT |
| 中文描述： | 9位地址/數(shù)據(jù)Futurebus收發(fā)器，ADT的 |
| 文件頁(yè)數(shù)： | 7/11頁(yè) |
| 文件大?。?/td> | 119K |
| 代理商： | 74F8966 |
Philips Semiconductors FAST Products
Product specification
74F8965/74F8966
9-Bit address/data Futurebus transceiver, ADT
December 19, 1990
7
Notes to function table for 74F8966
1. H =
High voltage level
2. h =
High voltage level one setup time prior to the low–to–high LE transition
3. L
=
Low voltage level
4. l
=
Low voltage level one setup time prior to the low–to–high LE transition
5. NC=
No change
6. X =
Don’t care
7. Z =
High impedance ”off’ state
8. –
=
Input not externally driven
9.
↑
=
Low–to–high transition
10.
↓
* =
High–to–low transition, latch must be preconditioned before IAREQ
11.H**=
Goes to level of pullup voltage.
12.B* =
Precaution should be taken to insure B inputs do not float. If they do they are equal to low state.
ABSOLUTE MAXIMUM RATINGS
(Operation beyond the limit set forth in this table may impair the useful life of the device. Unless otherwise noted these limits are over the
operating free air temperature range.)
SYMBOL
PARAMETER
RATING
UNIT
V
CC
V
IN
Supply voltage
–0.5 to +7.0
V
Input voltage
OEB0, OEB1, LEA, LE
–0.5 to +7.0
V
A0 – A8, B0
– B8
–0.5 to +5.5
V
I
IN
V
OUT
Input current
–40 to +5
mA
Voltage applied to output in high output state
–0.5 to V
CC
V
A0 – A8
48
mA
I
OUT
Current applied to output in low output
state
IAMC (74F8966 only)
96
mA
B0 – B8
200
mA
T
amb
Operating free air temperature range
0 to +70
°
C
°
C
T
stg
Storage temperature range
–65 to +150
RECOMMENDED OPERATING CONDITIONS
LIMITS
SYMBOL
PARAMETER
MIN
NOM
MAX
UNIT
V
CC
V
IH
Supply voltage
4.5
5.0
5.5
V
High–level input voltage
Except B0 – B8
2.0
V
B0 – B8
1.625
1.55
V
V
IL
Low–level input voltage
Except B0 – B8
0.8
V
B0 – B8
1.475
V
I
Ik
I
OH
V
OH
Input clamp current
–18
mA
High–level output current
A0 – A8
–3
mA
High–level output voltage
IAMC (74F8966 only)
4.5
V
A0 – A8
24
mA
I
OL
Low–level output current
IAMC (74F8966 only)
48
mA
B0 – B8
100
mA
°
C
T
amb
Operating free air temperature
range
0
+70
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