SN54F520FKR [ROCHESTER]
F/FAST SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, CQCC20, CERAMIC, LCC-20;
| 型号： | SN54F520FKR |
| 厂家： | 
Rochester Electronics |
| 描述： | F/FAST SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, CQCC20, CERAMIC, LCC-20 输入元件 输出元件 逻辑集成电路 |
| 文件： | 总6页 (文件大小：764K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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ꢊ ꢋꢌꢍ ꢎꢈ ꢍꢏꢐ ꢁꢎ ꢍꢎ ꢑꢈꢒ ꢓꢔ ꢕꢖꢗ ꢖꢎꢓ ꢗꢀ
ꢘ
SDFS081A − MARCH 1987 − REVISED OCTOBER 1993
SN54F520 . . . J PACKAGE
SN74F520 . . . DW OR N PACKAGE
(TOP VIEW)
• Compares Two 8-Bit Words
• 20-kΩ Pullup Resistors on Q Inputs
• Package Options Include Plastic
Small-Outline Packages, Ceramic Chip
Carriers, and Standard Plastic and Ceramic
300-mil DIPs
OE
P0
V
CC
P = Q
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
Q0
Q7
P1
P7
description
Q1
Q6
P2
P6
These identity comparators perform comparisons
on two 8-bit binary or BCD words. They provide
P = Q outputs. The ′F520 features 20-kΩ pullup
termination resistors on the Q inputs for analog or
switch data.
Q2
Q5
P3
Q3
13 P5
12 Q4
11
GND
P4
The SN54F520 is characterized for operation over
the full military temperature range of −55°C to
125°C. The SN74F520 is characterized for
operation from 0°C to 70°C.
SN54F520 . . . FK PACKAGE
(TOP VIEW)
FUNCTION TABLE
3
2
1
20 19
18
INPUTS
OUTPUT
P = Q
Q7
P7
Q6
P6
Q5
P1
Q1
P2
Q2
P3
4
5
6
7
8
P, Q
OE
L
17
16
15
14
P = Q
P ≠ Q
X
L
H
H
X
H
9 10 11 12 13
†
logic symbol
COMP
1
OE
2
P0
0
4
P1
6
P2
8
P3
11
P
P4
13
P5
15
P6
17
P7
3
7
0
19
P = Q
1P = Q
Q0
5
Q1
7
Q2
9
Q3
12
Q4
14
Q5
16
Q6
18
Q7
Q
7
†
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
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Copyright 1993, Texas Instruments Incorporated
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2−1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443
ꢀꢁ ꢂ ꢃꢄ ꢂ ꢅ ꢆ ꢇ ꢈ ꢀ ꢁꢉ ꢃꢄ ꢂꢅ ꢆ
ꢊ ꢋꢌ ꢍ ꢎ ꢈꢍ ꢏ ꢐꢁ ꢎ ꢍ ꢎꢑꢈ ꢒꢓ ꢔꢕꢖꢗ ꢖꢎꢓ ꢗꢀ
ꢘ
SDFS081A − MARCH 1987 − REVISED OCTOBER 1993
logic diagram (positive logic)
17
P7
18
Q7
15
P6
16
Q6
13
P5
14
Q5
11
P4
12
Q4
19
P = Q
8
P3
9
Q3
6
P2
7
Q2
4
P1
5
Q1
2
P0
3
Q0
1
OE
NOTE: 20-kΩ pullup resistors are on the Q inputs.
2−2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443
ꢀꢁ ꢂꢃ ꢄ ꢂ ꢅ ꢆ ꢇꢈ ꢀ ꢁꢉ ꢃꢄꢂ ꢅꢆ
ꢊ ꢋꢌꢍ ꢎꢈ ꢍꢏꢐ ꢁꢎ ꢍꢎ ꢑꢈꢒ ꢓꢔ ꢕꢖ ꢗꢖꢎꢓ ꢗꢀ
ꢘ
SDFS081A − MARCH 1987 − REVISED OCTOBER 1993
†
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 7 V
CC
Input voltage range, V (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −1.2 V to 7 V
I
Input current range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −30 mA to 5 mA
Voltage range applied to any output in the high state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to V
CC
Current into any output in the low state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 mA
Operating free-air temperature range: SN54F520 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55°C to 125°C
SN74F520 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65°C to 150°C
†
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: The input voltage ratings may be exceeded provided the input current ratings are observed.
recommended operating conditions
SN54F520
SN74F520
UNIT
MIN NOM
MAX
MIN NOM
MAX
V
V
V
Supply voltage
4.5
2
5
5.5
4.5
2
5
5.5
V
V
CC
IH
IL
High-level input voltage
Low-level input voltage
Input clamp current
0.8
−18
− 1
0.8
−18
− 1
20
V
I
I
I
mA
mA
mA
°C
IK
High-level output current
Low-level output current
Operating free-air temperature
OH
OL
20
T
A
−55
125
0
70
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
SN54F520
SN74F520
PARAMETER
TEST CONDITIONS
I = −18 mA
UNIT
‡
‡
MIN TYP
MAX
MIN TYP
MAX
V
IK
V
V
V
V
= 4.5 V,
= 4.5 V,
= 4.75 V,
= 4.5 V,
−1.2
−1.2
V
CC
CC
CC
CC
I
I
I
I
= − 1 mA
= − 1 mA
= 20 mA
2.5
3.4
0.3
2.5
2.7
3.4
0.3
OH
OH
OL
V
V
V
OH
OL
V
0.5
0.1
0.5
0.1
OE and P inputs
Q inputs
V = 7 V
I
I
I
I
V
CC
V
CC
V
CC
= 5.5 V
= 5.5 V,
= 5.5 V,
mA
I
V = 5.5 V
I
0.1
0.1
OE and P inputs
Q inputs
20
20
µA
V = 2.7 V
I
IH
IL
−0.3
− 0.6
− 1
−0.3
− 0.6
− 1
mA
OE and P inputs
Q inputs
V = 0.5 V
I
mA
§
I
I
V
V
= 5.5 V,
= 5.5 V,
V = 0
O
−60
−150
32
−60
−150
32
mA
mA
OS
CC
CC
See Note 2
21
21
CC
‡
All typical values are at V
CC
= 5 V, T = 25°C.
A
§
Not more than one output should be shorted at a time, and the duration of the short circuit should not exceed one second.
NOTE 2: is measured with all inputs at 4.5 V.
I
CC
2−3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443
ꢀꢁ ꢂ ꢃꢄ ꢂ ꢅ ꢆ ꢇ ꢈ ꢀ ꢁꢉ ꢃꢄ ꢂꢅ ꢆ
ꢊ ꢋꢌ ꢍ ꢎ ꢈꢍ ꢏ ꢐꢁ ꢎ ꢍ ꢎꢑꢈ ꢒꢓ ꢔꢕꢖꢗ ꢖꢎꢓ ꢗꢀ
ꢘ
SDFS081A − MARCH 1987 − REVISED OCTOBER 1993
switching characteristics (see Note 3)
V
C
R
= 5 V,
= 50 pF,
= 500 Ω,
= 25°C
V
C
R
= 4.5 V to 5.5 V,
= 50 pF,
CC
L
L
CC
L
L
= 500Ω,
FROM
(INPUT)
TO
(OUTPUT)
†
PARAMETER
UNIT
T
A
T
A
= MIN to MAX
′F520
TYP
5.7
SN54F520
SN74F520
MIN
3.9
4.7
3.5
5.2
MAX
7.7
MIN
3.7
4.4
3.4
4.9
MAX
MIN
3.7
4.4
3.4
4.9
MAX
t
t
t
t
10.2
11.3
7
8.7
10.3
6.4
PLH
PHL
PLH
PHL
P = Q
P = Q
P or Q
OE
ns
ns
7
9.3
4.6
5.8
7.5
9.5
11.2
10.4
†
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
NOTE 3: Load circuits and waveforms are shown in Section 1.
2−4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443
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