74AC11253D [TI]
DUAL 1-OF-4 DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS;
| 型号： | 74AC11253D |
| 厂家： | 
TEXAS INSTRUMENTS |
| 描述： | DUAL 1-OF-4 DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS 输出元件 |
| 文件： | 总7页 (文件大小：97K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
54AC11253, 74AC11253
DUAL 1-OF-4 DATA SELECTORS/MULTIPLEXERS
WITH 3-STATE OUTPUTS
SCAS041A – MAY 1988 – REVISED APRIL 1993
54AC11253 . . . J PACKAGE
74AC11253 . . . D OR N PACKAGE
(TOP VIEW)
• Permits Multiplexing From N Lines to
One Line
• Performs Parallel-to-Serial Conversion
• Flow-Through Architecture Optimizes
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1C0
1C1
1C2
1C3
A
B
1Y
GND
2Y
1G
PCB Layout
• Center-Pin V
and GND Configurations
Minimize High-Speed Switching Noise
CC
• EPIC (Enhanced-Performance Implanted
V
CC
CMOS) 1- m Process
2C0
2C1
2C2
2G
2C3
• Package Options Include Plastic Small-
Outline Packages, Ceramic Chip Carriers,
and Standard Plastic and Ceramic 300-mil
DIPs
54AC11253 . . . FK PACKAGE
(TOP VIEW)
description
Each of these data selectors/multiplexers
contains inverters and drivers to supply full binary
decoding data selection to the AND-OR gates.
Separate output control inputs are provided for
each of the two four-line sections.
3
2
1
20 19
18
2C1
2C2
NC
1C1
1C0
NC
A
4
5
6
7
8
17
16
15
14
2C3
2G
The three-state outputs can interface with and
drive data lines of bus-organized systems. With
all but one of the common outputs disabled (at a
high-impedance state), the low-impedance of the
single enabled output will drive the bus line to a
high or low logic level. Each output has its own
strobe (G). The output is disabled when its strobe
is high.
B
9 10 11 12 13
NC – No internal connection
†
logic symbol
The 54AC11253 is characterized for operation
over the full military temperature range of – 55°C
to 125°C. The 74AC11253 is characterized for
operation from – 40°C to 85°C.
1
2
0
1
0
3
A
B
G
MUX
6
1G
1C0
1C1
1C2
1C3
2G
EN
0
FUNCTION TABLE
16
15
14
13
7
SELECT
INPUTS
OUTPUT
CONTROL
G
DATA INPUTS
OUTPUT
Y
3
5
1
2
3
1Y
2Y
B
X
L
A
X
L
C0 C1 C2 C3
X
L
X
X
X
L
X
X
X
X
X
L
X
X
X
X
X
X
X
L
H
L
L
L
L
L
L
L
L
Z
L
11
10
9
L
L
H
X
X
X
X
X
X
H
L
2C0
2C1
2C2
2C3
L
H
H
L
L
H
X
X
X
X
H
L
H
H
H
H
8
L
H
X
X
H
L
†
H
H
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.
H
H
Address inputs A and B are common to both sections.
EPIC is a trademark of Texas Instruments Incorporated.
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
54AC11253, 74AC11253
DUAL 1-OF-4 DATA SELECTORS/MULTIPLEXERS
WITH 3-STATE OUTPUTS
SCAS041A – MAY 1988 – REVISED APRIL 1993
logic diagram (positive logic)
6
1G
16
1C0
15
1C1
3
1Y
Data 1
14
1C2
13
1C3
2
B
Select
1
A
11
2C0
10
2C1
Data 2
5
2Y
9
2C2
8
2C3
7
2G
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, V (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to V
+ 0.5 V
+ 0.5 V
I
CC
CC
Output voltage range, V (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to V
O
Input clamp current, I (V < 0 or V > V ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±20 mA
IK
I
I
CC
Output clamp current, I
(V < 0 or V > V ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±50 mA
OK
O O CC
Continuous output current, I (V = 0 to V ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 50 mA
Continuous current through V
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°C to 150°C
O
O
CC
CC
or GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±100 mA
†
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 and output voltage ratings may be exceeded provided the input and output current ratings are observed.
2–2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
54AC11253, 74AC11253
DUAL 1-OF-4 DATA SELECTORS/MULTIPLEXERS
WITH 3-STATE OUTPUTS
SCAS041A – MAY 1988 – REVISED APRIL 1993
recommended operating conditions
54AC11253
MIN NOM
74AC11253
MIN NOM
UNIT
MAX
MAX
V
V
Supply voltage
3
2.1
5
5.5
3
2.1
5
5.5
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
= 3 V
High-level input voltage
= 4.5 V
= 5.5 V
= 3 V
3.15
3.85
3.15
3.85
V
V
IH
0.9
1.35
1.65
0.9
1.35
1.65
V
IL
Low-level input voltage
= 4.5 V
= 5.5 V
V
V
Input voltage
0
0
V
0
0
V
V
V
I
CC
CC
Output voltage
V
CC
–4
V
CC
–4
O
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
= 3 V
I
High-level output current
Low-level output current
= 4.5 V
= 5.5 V
= 3 V
–24
–24
12
–24
–24
12
mA
mA
OH
I
= 4.5 V
= 5.5 V
24
24
OL
24
24
t/ v
Input transition rise or fall rate
Operating free-air temperature
0
10
0
10
ns/V
T
–55
125
–40
85
°C
A
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
T
A
= 25°C
54AC11253
74AC11253
PARAMETER
TEST CONDITIONS
V
UNIT
CC
MIN
2.9
TYP
MAX
MIN
2.9
4.4
5.4
2.4
3.7
4.7
3.85
MAX
MIN
2.9
MAX
3 V
4.5 V
5.5 V
3 V
I
= – 50
A
4.4
4.4
OH
5.4
5.4
I
I
= – 4 mA
2.58
3.94
4.94
2.48
3.8
OH
V
OH
V
4.5 V
5.5 V
5.5 V
5.5 V
3 V
= – 24 mA
OH
4.8
†
†
I
I
= – 50 mA
= – 75 mA
OH
3.85
OH
0.1
0.1
0.1
0.1
0.1
0.1
I
= 50
A
4.5 V
5.5 V
3 V
OL
0.1
0.1
0.1
I
I
= 12 mA
= 24 mA
0.36
0.36
0.36
0.5
0.44
0.44
0.44
OL
V
OL
V
4.5 V
5.5 V
5.5 V
5.5 V
5.5 V
5.5 V
5.5 V
5 V
0.5
OL
0.5
†
†
I
I
= 50 mA
1.65
OL
= 75 mA
1.65
± 5
± 1
80
OL
I
I
I
V
= V or GND
CC
± 0.5
± 0.1
8
± 10
± 1
A
A
OZ
O
V = V
or GND
or GND,
or GND
I
I
CC
CC
CC
V = V
I = 0
O
160
A
CC
I
C
C
V = V
3.5
8
pF
pF
i
I
V
= V or GND
CC
5 V
o
O
†
Not more than one output should be tested at a time, and the duration of the test should not exceed 10 ms.
2–3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
54AC11253, 74AC11253
DUAL 1-OF-4 DATA SELECTORS/MULTIPLEXERS
WITH 3-STATE OUTPUTS
SCAS041A – MAY 1988 – REVISED APRIL 1993
switching characteristics over recommended operating free-air temperature range,
V
= 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1)
CC
T
A
= 25°C
TYP
7.1
7.5
6.8
7
54AC11253
74AC11253
FROM
(INPUT)
TO
(OUTPUT)
PARAMETER
UNIT
ns
MIN
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
MAX
9.7
MIN
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
MAX
MIN
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
MAX
t
t
t
t
11.7
12.1
9.9
10.3
7.2
8.7
7
11
11.4
9.3
9.6
6.8
8.2
6.7
6.9
PLH
PHL
PLH
PHL
PZH
A or B
Y
Y
Y
Y
10.1
8.3
Data (Any C)
ns
8.8
t
4.8
5.8
5
6.2
ns
G
G
t
7.4
PZL
t
6.3
PHZ
ns
t
5.2
6.5
7.2
PLZ
switching characteristics over recommended operating free-air temperature range,
= 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
V
CC
T
A
= 25°C
TYP
4.9
54AC11253
74AC11253
FROM
(INPUT)
TO
(OUTPUT)
PARAMETER
UNIT
ns
MIN
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
MAX
7
MIN
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
MAX
MIN
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
MAX
7.9
8.2
6.6
6.9
5.1
5.8
6.3
6.2
t
t
t
t
8.3
8.7
7.1
7.3
6.4
6.1
6.6
6.4
PLH
PHL
PLH
PHL
PZH
A or B
Y
Y
Y
Y
5.2
7.3
5.9
6.3
4.6
5.3
6
4.5
Data (Any C)
ns
4.8
t
3.4
ns
G
G
t
4
PZL
PHZ
t
4.7
ns
t
4.6
5.9
PLZ
operating characteristics, V
= 5 V, T = 25°C
A
CC
PARAMETER
TEST CONDITIONS
= 50 pF, f = 1 MHz
L
TYP
31
UNIT
Outputs enabled
Outputs disabled
C
Power dissipation capacitance per multiplexer
C
pF
pd
11
2–4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
54AC11253, 74AC11253
DUAL 1-OF-4 DATA SELECTORS/MULTIPLEXERS
WITH 3-STATE OUTPUTS
SCAS041A – MAY 1988 – REVISED APRIL 1993
PARAMETER MEASUREMENT INFORMATION
2 × V
CC
Open
GND
TEST
S1
S1
t
/t
Open
500 Ω
PLH PHL
From Output
Under Test
t
/t
2 × V
CC
GND
PLZ PZL
t
/t
PHZ PZH
C
= 50 pF
L
500 Ω
(see Note A)
LOAD CIRCUIT
Output
Control
(low-level
enabling)
V
CC
50%
50%
0 V
t
PZL
V
t
CC
PLZ
Input
(see Note B)
Output
Waveform 1
V
CC
50%
50%
50% V
CC
0 V
20% V
S1 at 2 × V
(see Note C)
CC
CC
CC
V
V
OL
t
PLH
t
PHZ
t
PHL
t
PZH
Output
Waveform 2
S1 at GND
V
OH
OH
0 V
80% V
50% V
50% V
Output
CC
CC
V
50% V
CC
OL
(see Note C)
VOLTAGE WAVEFORMS
NOTES: A. C includes probe and jig capacitance.
VOLTAGE WAVEFORMS
L
B. All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, Z = 50 Ω, t = 3 ns, t = 3 ns.
O
r
f
C. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control.
D. The outputs are measured one at a time with one input transition per measurement.
Figure 1. Load Circuit and Voltage Waveforms
2–5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
2–6
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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