SN54F258 [TI]
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS; 四路2号线到1线数据选择器/多路复用器三态输出
| 型号： | SN54F258 |
| 厂家： | 
TEXAS INSTRUMENTS |
| 描述： | QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS |
| 文件： | 总5页 (文件大小：77K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SN54F258, SN74F258
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
WITH 3-STATE OUTPUTS
SDFS067A – D2932, MARCH 1987 – REVISED OCTOBER 1993
SN54F258 . . . J PACKAGE
SN74F258 . . . D OR N PACKAGE
(TOP VIEW)
• 3-State Outputs Interface Directly With
System Bus
• Provides Bus Interface From Multiple
Sources in High-Performance Systems
V
A/B
1A
1B
1Y
2A
2B
2Y
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
CC
• Package Options Include Plastic
Small-Outline Packages, Ceramic Chip
Carriers, and Standard Plastic and Ceramic
300-mil DIPs
OE
4A
4B
4Y
3A
3B
3Y
description
The ′F258 is designed to multiplex signals from
4-bit data sources to 4-output data lines in
bus-organized systems. The 3-state outputs will
not load the data lines when the output-enable
(OE) input is at a high logic level.
SN54F258 . . . FK PACKAGE
(TOP VIEW)
The SN54F258 is characterized for operation over
the full military temperature range of –55°C to
125°C. The SN74F258 is characterized for
operation from 0°C to 70°C.
3
2
1
20 19
18
4
5
6
7
8
1B
1Y
NC
2A
2B
4A
4B
NC
4Y
3A
17
16
15
14
FUNCTION TABLE
INPUTS
OUTPUT
Y
9 10 11 12 13
OE
H
L
A/B
A
X
L
B
X
X
X
L
X
L
Z
H
L
L
L
H
X
X
NC – No internal connection
L
H
H
H
L
L
H
†
logic symbol
15
EN
G1
OE
1
A/B
2
1A
1B
2A
2B
3A
3B
4A
4B
MUX
4
1
1
3
1Y
5
7
6
2Y
11
10
14
13
9
3Y
12
4Y
†
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
Pin numbers shown are for the D, J, and N packages.
Copyright 1993, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
2–1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54F258, SN74F258
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
WITH 3-STATE OUTPUTS
SDFS067A – D2932, MARCH 1987 – REVISED OCTOBER 1993
logic diagram (positive logic)
15
OE
1
A/B
2
1A
4
7
1Y
2Y
3
1B
5
2A
6
2B
11
3A
9
3Y
4Y
10
3B
14
4A
12
13
4B
Pin numbers shown are for the D, J, and N packages.
†
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 (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –1.2 V to 7 V
Input current range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30 mA to 5 mA
Voltage range applied to any output in the disabled or power-off state . . . . . . . . . . . . . . . . . . . –0.5 V to 5.5 V
Voltage range applied to any output in the high state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to V
CC
Current into any output in the low state: SN54F258 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 mA
SN74F258 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 mA
Operating free-air temperature range: SN54F258 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55°C to 125°C
SN74F258 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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.
2–2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54F258, SN74F258
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
WITH 3-STATE OUTPUTS
SDFS067A – D2932, MARCH 1987 – REVISED OCTOBER 1993
recommended operating conditions
SN54F258
SN74F258
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
– 3
0.8
–18
– 3
24
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)
SN54F258
SN74F258
PARAMETER
TEST CONDITIONS
UNIT
†
†
MIN TYP
MAX
MIN TYP
MAX
V
V
V
V
V
= 4.5 V,
= 4.5 V
= 4.75 V,
= 4.5 V
I = –18 mA
–1.2
–1.2
V
IK
CC
CC
CC
CC
I
I
I
I
I
I
= – 1 mA
= – 3 mA
= – 1 mA to –3 mA
= 20 mA
2.5
2.4
3.4
3.3
2.5
2.4
2.7
3.4
3.3
OH
OH
OH
OL
OL
V
OH
V
0.3
0.5
V
OL
V
= 24 mA
0.35
0.5
50
I
I
I
I
I
I
I
I
I
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
= 5.5 V,
= 5.5 V,
= 5.5 V,
= 5.5 V,
= 5.5 V,
= 5.5 V,
V
V
= 2.7 V
50
–50
0.1
µA
µA
OZH
OZL
I
O
= 0.5 V
–50
0.1
O
V = 7 V
I
mA
µA
V = 2.7 V
I
20
20
IH
V = 0.5 V
I
– 0.6
–150
9.5
– 0.6
–150
9.5
mA
mA
IL
‡
V
O
= 0
–60
–60
OS
Condition A
Condition B
Condition C
6.2
15.1
11.3
6.2
15.1
11.3
CCH
CCL
CCZ
V
CC
= 5.5 V,
23
23
mA
See Note 2
17
17
†
‡
All typical values are at V
= 5 V, T = 25°C.
A
CC
Not more than one output should be shorted at a time, and the duration of the short circuit should not exceed one second.
is measured with the outputs open under the following conditions:
NOTE 2:
I
CC
A. All B inputs at 4.5 V, other inputs grounded
B. A/B and all B inputs at 4.5 V, other inputs grounded
C. OE and all B inputs at 4.5 V, other inputs grounded
2–3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54F258, SN74F258
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
WITH 3-STATE OUTPUTS
SDFS067A – D2932, MARCH 1987 – REVISED OCTOBER 1993
switching characteristics (see Note 3)
V
C
= 5 V,
= 50 pF,
V
= 4.5 V to 5.5 V,
C = 50 pF,
L
CC
L
CC
R1 = 500 Ω,
R2 = 500 Ω,
T
A
R1 = 500Ω,
FROM
(INPUT)
TO
(OUTPUT)
= 500 Ω,
= MIN to MAX
R2
PARAMETER
UNIT
†
= 25°C
′F258
TYP
3.6
T
A
SN54F258
SN74F258
MIN
MAX
5.3
4.7
8.5
9.5
7.5
7.5
6
MIN
1
MAX
MIN
1
MAX
t
t
t
t
1
1
7.5
6
6
5.5
9.5
11
8.5
8.5
7
PLH
PHL
PLH
PHL
PZH
Data
(A or B)
Any Y
Any Y
Any Y
Any Y
ns
ns
ns
ns
3.1
1
1
3.2
3.2
2.2
2.2
1.2
1.2
6.1
3.2
3.2
2.2
2.2
1
12
11.5
11
9.5
7
3.2
3.2
2.2
2.2
1.2
1.2
A/B
6.9
t
5.5
G
G
t
5.1
PZL
PHZ
t
3.9
t
4.1
6
1.2
9
7
PLZ
†
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
IMPORTANT NOTICE
Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue
any product or service without notice, and advise customers to obtain the latest version of relevant information
to verify, before placing orders, that information being relied on is current and complete. All products are sold
subject to the terms and conditions of sale supplied at the time of order acknowledgement, including those
pertaining to warranty, patent infringement, and limitation of liability.
TI warrants performance of its semiconductor products to the specifications applicable at the time of sale in
accordance with TI’s standard warranty. Testing and other quality control techniques are utilized to the extent
TI deems necessary to support this warranty. Specific testing of all parameters of each device is not necessarily
performed, except those mandated by government requirements.
CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF
DEATH, PERSONAL INJURY, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE (“CRITICAL
APPLICATIONS”). TI SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED, AUTHORIZED, OR
WARRANTED TO BE SUITABLE FOR USE IN LIFE-SUPPORT DEVICES OR SYSTEMS OR OTHER
CRITICAL APPLICATIONS. INCLUSION OF TI PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO
BE FULLY AT THE CUSTOMER’S RISK.
In order to minimize risks associated with the customer’s applications, adequate design and operating
safeguards must be provided by the customer to minimize inherent or procedural hazards.
TI assumes no liability for applications assistance or customer product design. TI does not warrant or represent
that any license, either express or implied, is granted under any patent right, copyright, mask work right, or other
intellectual property right of TI covering or relating to any combination, machine, or process in which such
semiconductor products or services might be or are used. TI’s publication of information regarding any third
party’s products or services does not constitute TI’s approval, warranty or endorsement thereof.
Copyright 1998, Texas Instruments Incorporated
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