參數(shù)資料
型號: SN54LVTH543
廠商: Texas Instruments, Inc.
英文描述: 3.3-V ABT OCTAL REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS
中文描述: 的3.3V ABT生根粉八路收發(fā)登記,3態(tài)輸出
文件頁數(shù): 1/8頁
文件大?。?/td> 125K
代理商: SN54LVTH543
SN54LVTH543, SN74LVTH543
3.3-V ABT OCTAL REGISTERED TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS704D – AUGUST 1997 – REVISED APRIL 1999
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
State-of-the-Art Advanced BiCMOS
Technology (ABT) Design for 3.3-V
Operation and Low Static-Power
Dissipation
I
off
and Power-Up 3-State Support Hot
Insertion
Bus Hold on Data Inputs Eliminates the
Need for External Pullup/Pulldown
Resistors
Support Mixed-Mode Signal Operation
(5-V Input and Output Voltages With
3.3-V V
CC
)
Support Unregulated Battery Operation
Down to 2.7 V
Typical V
OLP
(Output Ground Bounce)
< 0.8 V at V
CC
= 3.3 V, T
A
= 25
°
C
Latch-Up Performance Exceeds 500 mA Per
JESD 17
ESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015; Exceeds 200 V
Using Machine Model (C = 200 pF, R = 0)
Package Options Include Plastic
Small-Outline (DW), Shrink Small-Outline
(DB), Thin Shrink Small-Outline (PW), and
Thin Very Small-Outline (DGV) Packages,
Ceramic Chip Carriers (FK), Ceramic Flat
(W) Package, and Ceramic (JT) DIPs
description
These octal transceivers are designed specifically
for low-voltage (3.3-V) V
CC
operation, but with the
capability to provide a TTL interface to a 5-V
system environment.
The ’LVTH543 devices contain two sets of D-type latches for temporary storage of data flowing in either
direction. Separate latch-enable (LEAB or LEBA) and output-enable (OEAB or OEBA) inputs are provided for
each register to permit independent control in either direction of data flow.
The A-to-B enable (CEAB) input must be low to enter data from A or to output data from B. If CEAB is low and
LEAB is low, the A-to-B latches are transparent; a subsequent low-to-high transition of LEAB puts the A latches
in the storage mode. With CEAB and OEAB 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 using the CEBA, LEBA, and OEBA
inputs.
Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.
Copyright
1999, Texas Instruments Incorporated
UNLESS OTHERWISE NOTED this document contains PRODUCTION
DATA information current as of publication date. Products conform to
specifications per the terms of Texas Instruments standard warranty.
parameters.
SN54LVTH543 . . . JT OR W PACKAGE
SN74LVTH543 . . . DB, DGV, DW, OR PW PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
LEBA
OEBA
A1
A2
A3
A4
A5
A6
A7
A8
CEAB
GND
V
CC
CEBA
B1
B2
B3
B4
B5
B6
B7
B8
LEAB
OEAB
SN54LVTH543 . . . FK PACKAGE
(TOP VIEW)
3
2 1 28 27
12 13
5
6
7
8
9
10
11
25
24
23
22
21
20
19
B2
B3
B4
NC
B5
B6
B7
A2
A3
A4
NC
A5
A6
A7
4
26
14 15 16 17 18
A
C
G
N
O
L
B
A
O
L
N
C
B
V
C
NC – No internal connection
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.
相關(guān)PDF資料
PDF描述
SN54LVTH543FK Shift Register 3-State; Package: SOIC 16 LEAD; No of Pins: 16; Container: Tape and Reel; Qty per Container: 2500
SN54LVTH543JT Shift Register 3-State; Package: SOIC 16 LEAD; No of Pins: 16; Container: Tape and Reel; Qty per Container: 2500
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