參數(shù)資料
型號(hào)： SN54BCT29841
廠(chǎng)商： Texas Instruments, Inc.
英文描述： 10-BIT BUS-INTERFACE D-TYPE LATCHES WITH 3-STATE OUTPUTS
中文描述： 10位總線(xiàn)接口D型鎖存器具有三態(tài)輸出
文件頁(yè)數(shù)： 1/5頁(yè)
文件大?。?/td> 75K
代理商： SN54BCT29841
SN54BCT29841 . . . JT OR W PACKAGE
SN74BCT29841 . . . DW OR NT PACKAGE
(TOP VIEW)
SN54BCT29841 . . . FK 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
OE
1D
2D
3D
4D
5D
6D
7D
8D
9D
10D
GND
V
CC
1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q
9Q
10Q
LE
NC – No internal connection
3 2 1 28 27
12 13
5
6
7
8
9
10
11
25
24
23
22
21
20
19
3Q
4Q
5Q
NC
6Q
7Q
8Q
3D
4D
5D
NC
6D
7D
8D
4
26
14 15 16 1718
9
1
G
N
L
1
9
2
1
O
N
1
2
V
C
C
SN54BCT29841, SN74BCT29841
10-BIT BUS-INTERFACE D-TYPE LATCHES
WITH 3-STATE OUTPUTS
SCBS024C – MARCH 1989 – REVISED NOVEMBER 1993
Copyright
1993, Texas Instruments Incorporated
2–1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
State-of-the-Art BiCMOS Design
Significantly Reduces I
CCZ
ESD Protection Exceeds 2000 V Per
MIL-STD-883C, Method 3015; Exceeds 200 V
Using Machine Model (C = 200 pF, R = 0)
Power-Up High-Impedance State
Provides Extra Bus-Driving Latches
Necessary For Wider Address/Data Paths
or Buses With Parity
Package Options Include Plastic
Small-Outline (DW) Packages, Ceramic Chip
Carriers (FK) and Flatpacks (W), and
Standard Plastic and Ceramic 300-mil DIPs
(JT, NT)
description
These 10-bit bus-interface latches feature 3-state
outputs designed specifically for driving highly
capacitive or relatively low-impedance loads.
They are particularly suitable for implementing
wider buffer registers, I/O ports, bidirectional bus
drivers with parity, and working registers.
The ten latches of the
′
BCT29841 are transparent
D-type latches. When the latch-enable (LE) input
is high, the Q outputs will follow the data (D) inputs.
When LE is taken low, the Q outputs are latched
at the levels that were set up at the D inputs.
A buffered output-enable (OE) input can be used
to place the nine outputs in either a normal logic
state (high or low level) or a high-impedance state.
In the high-impedance state, the outputs neither
load nor drive the bus lines significantly. The
high-impedance state and increased drive provide
the capability to drive bus lines without need for
interface or pullup components.
The output enable (OE) does not affect the internal operation of the latches. Old data can be retained or new
data can be entered while the outputs are in the high-impedance state.
The SN54BCT29841 is characterized for operation over the full military temperature range of –55
°
C to 125
°
C.
The SN74BCT29841 is characterized for operation from 0
°
C to 70
°
C.
FUNCTION TABLE
INPUTS
OUTPUT
Q
OE
L
LE
H
D
H
H
L
H
L
L
L
L
X
Q0
Z
H
X
X
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.
相關(guān)PDF資料
PDF描述
SN54BCT29862B 10-Bit Bus Transceivers With 3-State Outputs(10位總線(xiàn)收發(fā)器(三態(tài)輸出))
SN54BCT541A Octal Buffers/Drivers With 3-State Outputs(八緩沖器/驅(qū)動(dòng)器(三態(tài)輸出))
SN54BCT541FK OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN54BCT541J OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN54BCT541W OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
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