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74ACT11543DW Datasheet

  • 74ACT11543DW

  • OCTAL REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS

  • 7頁(yè)

  • TI

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74ACT11543
OCTAL REGISTERED TRANSCEIVER
WITH 3-STATE OUTPUTS
SCAS136 鈥?D3608, JULY 1990 鈥?REVISED APRIL 1993
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
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Inputs Are TTL-Voltage Compatible
3-State True Outputs
Back-to-Back Registers for Storage
Flow-Through Architecture Optimizes
PCB Layout
Center-Pin V
CC
and GND Configurations
Minimize High-Speed Switching Noise
EPIC
(Enhanced-Performance Implanted
CMOS) 1-
m
m Process
500-mA Typical Latch-Up Immunity at 125擄C
DW PACKAGE
(TOP VIEW)
t
description
This 8-bit registered transceiver contains two sets
of D-type latches for temporary storage of data
flowing in either direction. Separate latch enable
(LEAB or LEBA) and output enable (GAB or GBA)
inputs are provided for each register to permit
independent control in either direction of data flow.
CEBA
A1
A2
A3
A4
GND
GND
GND
GND
A5
A6
A7
A8
CEAB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
GBA
LEBA
B1
B2
B3
B4
V
CC
V
CC
B5
B6
B7
B8
LEAB
GAB
The A-to-B enable (CEAB) input must be low in order to enter data from A or to output data to B. Having CEAB
low and LEAB low makes the A-to-B latches transparent; a subsequent low-to-high transition of LEAB puts the
A latches in the storage mode. With CEAB and GAB both low, the 3-state B outputs are active and reflect the
data present at the output of the A latches. Data flow from B-to-A is similar, but requires the use of CEBA, LEBA,
and GBA inputs.
The 74ACT11543 is characterized for operation from 鈥?40擄C to 85擄C.
FUNCTION TABLE
INPUTS
CEAB
H
X
X
L
L
L
H
LEAB
X
H
H
L
L
Transparent
Storing
GAB
X
LATCH
STATUS
A TO B鈥?/div>
Storing
Storing
Z
Current A Data
Previous A Data
OUTPUT BUFFERS
B1 THRU B8
Z
}
鈥?A-to-B data flow is shown: B-to-A flow control is the same except uses
CEBA, LEBA, and GBA.
鈥?Data present before low-to-high transition of LEAB.
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
漏
1993, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
2鈥?

74ACT11543DW 產(chǎn)品屬性

  • 100

  • 集成電路 (IC)

  • 邏輯 - 緩沖器，驅(qū)動(dòng)器，接收器，收發(fā)器

  • 74ACT

  • 寄存收發(fā)器，非反相

  • 1

  • 8

  • 24mA，24mA

  • 4.5 V ~ 5.5 V

  • -40°C ~ 85°C

  • 表面貼裝

  • 28-SOIC（0.295"，7.50mm 寬）

  • 28-SOIC

  • 管件

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