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參數(shù)資料
| 型號： | SN54AS866 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 8-BIT MAGNITUDE COMPARATORS |
| 中文描述： | 8位震級比較器 |
| 文件頁數(shù)： | 5/7頁 |
| 文件大?。?/td> | 115K |
| 代理商： | SN54AS866 |
SN54AS866, SN74AS866A
8-BIT MAGNITUDE COMPARATORS
SDAS183A – DECEMBER 1982 – REVISED JUNE 1990
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
5
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54AS866
MIN
TYP
SN74AS866A
MIN
TYP
UNIT
MAX
–1.2
MAX
–1.2
VIK
VOH
IOH
VOL
II
VCC = 4.5 V,
VCC = 4.5 V to 5.5 V,
VCC = 4.5 V,
VCC = 4.5 V,
VCC = 5.5 V,
II = –18 mA
IOH = –2 mA
VOH = 5.5 V
IOL = 20 mA
VI = 7 V
V
P>Q, P<Q
P=Q only
VCC–2
VCC–2
0.25
0.5
0.1
40
20
0.25
0.5
0.1
40
20
mA
V
mA
0.35
0.35
IIH
L/A, OLE
Others
L/A, OLE,
P>Qin,
P<Qin
CLRQ
P, Q, PLE, QLE
VCC= 5 5 V
VCC = 5.5 V,
VI= 2 7 V
VI = 2.7 V
μ
A
–4
–4
IIL
VCC = 5.5 V,
VI = 0.4 V
mA
–2
–1
–2
– 0.25
– 0.25
IO
ICC
NOTE 1: ICC is measured with all inputs high except L/A, which is low.
switching characteristics (see Note 2
VCC = 5.5 V,
VCC = 5.5 V,
VO = 2.25 V
See Note 1
–20
–112
240
–20
–112
240
mA
mA
160
160
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
p ,
RL = 500
,
TA = MIN to MAX§
PARAMETER
FROM
(INPUT)
TO
UNIT
(OUTPUT)
SN54AS866
MIN
TYP
1
1
1
1
1
1
1
1
SN74AS866A
MIN
TYP
1
1
1
1
1
13.5
1
1
1
MAX
MAX
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
L/A
8.5
7.5
14
14
10
10
21
17
21
17
8.5
19
13
8
8
ns
7
5
P<Q P>Q
P<Q, P>Q
5
ns
P<Q, P>Q
5.5
13.5
10
16
12
5.5
Any P or Q
Data Input
17.5
15
20
16
ns
10
16
12
CLRQ
ns
VCC= 4.5 V to 5.5 V,
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
p ,
RL = 280
,
TA = MIN to MAX§
PARAMETER
FROM
(INPUT)
TO
UNIT
(OUTPUT)
SN54AS866
MIN
TYP
1
1
1
1
1
1
SN74AS866A
MIN
TYP
1
1
1
1
1
1
MAX
MAX
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
P<Q,
P>Q
P=Q
6.5
12
14
15
14
17
18
6.5
16
14
17
14
24
21
ns
8
8
Any
Data Input
P=Q
10
9
12
13
10
9
12
13
ns
CLRQ
P=Q
ns
All typical values are at VCC = 5 V, TA = 25
°
C.
The output conditions have been chosen to produce a current that closely approximates one-half of the true short-circuit, IOS.
§For conditions shown MIN or MAX, use the appropriate value specified under recommended operating conditions.
NOTE 2: Load circuit and voltage waveforms are shown in Section 1 of the ALS/AS Logic Data Book,1986.
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other specifications
are design goals. Texas Instruments reserves the right to change or
discontinue these products without notice.
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