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74AC11B 데이터시트 PDF




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부품번호 74AC11B 기능
기능 TRIPLE 3-INPUT AND GATE
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74AC11B 데이터시트, 핀배열, 회로
74AC11652
OCTAL BUS TRANSCEIVER AND REGISTERS
WITH 3-STATE OUTPUTS
SCAS088A - DECEMBER 1989 - REVISED APRIL 1996
D Independent Registers and Enables for A
and B Buses
DW PACKAGE
(TOP VIEW)
D Multiplexed Real-Time and Stored Data
D Inverting Data Paths
D Flow-Through Architecture Optimizes PCB
OEAB
A1
A2
1
2
3
28 CLKAB
27 SAB
26 B1
Layout
D Center-Pin VCC and GND Configurations
Minimize High-Speed Switching Noise
A3
A4
GND
4
5
6
25 B2
24 B3
23 B4
D EPIC (Enhanced-Performance Implanted
CMOS) 1-µm Process
D 500-mA Typical Latch-Up Immunity at
125°C
GND
GND
GND
A5
A6
7
8
9
10
11
22 VCC
21 VCC
20 B5
19 B6
18 B7
description
A7 12
A8 13
17 B8
16 CLKBA
The 74AC11652 consists of bus transceiver
OEBA 14 15 SBA
circuits, D-type flip-flops, and control circuitry
arranged for multiplexed transmission of data
directly from the data bus or from the internal
storage registers. Output-enable (OEAB and OEBA) inputs are provided to control the transceiver functions.
The select-control (SAB and SBA) inputs are provided to select whether real-time or stored data is transferred.
A low input level selects real-time data, and a high input level selects stored data. Figure 1 illustrates the four
fundamental bus-management functions that can be performed with the 74AC11652.
Data on the A or B bus, or both, can be stored in the internal D flip-flops by low-to-high transitions at the
appropriate clock (CLKAB or CLKBA) inputs, regardless of the select- or enable-control pins. When SAB and
SBA are in the real-time transfer mode, it is also possible to store data without using the internal D-type flip-flops
by simultaneously enabling OEAB and OEBA. In this configuration, each output reinforces its input. Thus, when
all other data sources to the two sets of bus lines are at high impedance, each set remains at its last state.
The 74AC11652 is characterized for operation from – 40°C to 85°C.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
EPIC is a trademark of 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.
Copyright © 1996, Texas Instruments Incorporated
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
1




74AC11B pdf, 반도체, 판매, 대치품
74AC11652
OCTAL BUS TRANSCEIVER AND REGISTERS
WITH 3-STATE OUTPUTS
SCAS088A - DECEMBER 1989 - REVISED APRIL 1996
logic diagram (positive logic)
14
OEBA
OEAB 1
CLKBA 16
SBA 15
CLKAB 28
SAB 27
One of Eight
Channels
A1 2
1D
C1
1D
C1
26
B1
To Seven Other Channels
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.5 V to 7 V
Input voltage range, VI (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.5 V to VCC + 0.5 V
Output voltage range, VO (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.5 V to VCC + 0.5 V
Input clamp current, IIK (VI < 0 or VI > VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 20 mA
Output clamp current, IOK (VO < 0 or VO > VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 50 mA
Continuous output current, IO (VO = 0 to VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 50 mA
Continuous current through VCC or GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 200 mA
Maximum power dissipation at TA = 55°C (in still air) (see Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.7 W
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 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.
NOTES: 1. The input and output voltage ratings may be exceeded if the input and output clamp-current ratings are observed.
2. The maximum package power dissipation is calculated using a junction temperature of 150_C and a board trace length of 750 mils.
4 POST OFFICE BOX 655303 DALLAS, TEXAS 75265

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74AC11B 전자부품, 판매, 대치품
74AC11652
OCTAL BUS TRANSCEIVER AND REGISTERS
WITH 3-STATE OUTPUTS
SCAS088A - DECEMBER 1989 - REVISED APRIL 1996
switching characteristics over recommended operating free-air temperature range,
VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 2)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
TA = 25°C
MIN TYP MAX
MIN
fmax
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tPZH
tPZL
tPHZ
tPLZ
A or B
CLKBA or CLKAB
SBA or SAB
(A or B high)
SBA or SAB
(A or B low)
OEBA
OEBA
OEAB
OEAB
B or A
A or B
A or B
A or B
A
A
B
B
105 105
2.4 5.2 7.6 2.4
3.1 6 8.7 3.1
3.6 6.7 9.5 3.6
4.4 7.8 10.8 4.4
2.9 5.6 8.1 2.9
3.8 6.9 9.6 3.8
3.3 6.2 8.8 3.3
4 7.1 9.9
4
3.3 6.6 9.6 3.3
4.2 7.4 10.9 4.2
3.6 5.5 7.2 3.6
3.3 5 6.7 3.3
4.1 7.2 10.1 4.1
4.6 7.9 11.1 4.6
3.9 5.6 7.3 3.9
3.4 5.2 6.8 3.4
MAX
8.6
9.6
10.7
12
9.1
10.7
9.9
10.9
10.9
12.2
7.6
7.1
11.3
12.3
7.6
7.2
UNIT
MHz
ns
ns
ns
ns
ns
ns
ns
ns
operating characteristics, VCC = 5 V, TA = 25°C
PARAMETER
Cpd Power dissipation capacitance per transceiver
Outputs enabled
Outputs disabled
TEST CONDITIONS
CL = 50 pF, f = 1 MHz
TYP UNIT
60
pF
14
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
7

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관련 데이터시트

부품번호상세설명 및 기능제조사
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