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參數(shù)資料
| 型號(hào)： | SN54BCT240FK |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS |
| 中文描述： | 八路緩沖器/ 3司機(jī)態(tài)輸出 |
| 文件頁(yè)數(shù)： | 1/5頁(yè) |
| 文件大?。?/td> | 73K |
| 代理商： | SN54BCT240FK |
SN54BCT240, SN74BCT240
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCBS004E – OCTOBER 1987 – REVISED APRIL 1994
Copyright
1994, 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
3-State Outputs Drive Bus Lines or Buffer
Memory Address Registers
Package Options Include Plastic
Small-Outline (DW) and Shrink
Small-Outline (DB) Packages, Ceramic Chip
Carriers (FK) and Flatpacks (W), and
Standard Plastic and Ceramic 300-mil DIPs
(J, N)
description
These octal buffers and line drivers are designed
specifically to improve both the performance and
density of 3-state memory address drivers, clock
drivers,
and
bus-oriented
transmitters. Taken together with the
′
BCT241
and
′
BCT244, these devices provide the choice of
selected
combinations
noninverting outputs, symmetrical OE (active-low
output-enable) inputs, and complementary OE
and OE inputs. These devices feature high fan-out
and improved fan-in.
receivers
and
of
inverting
and
The
′
BCT240 is organized as two 4-bit buffers/line
drivers with separate output-enable (OE) inputs.
When OE is low, the device passes data from the
A inputs to the Y outputs. When OE is high, the
outputs are in the high-impedance state.
The SN54BCT240 is characterized for operation
over the full military temperature range of –55
°
C
to 125
°
C. The SN74BCT240 is characterized for
operation from 0
°
C to 70
°
C.
FUNCTION TABLE
(each buffer)
INPUTS
OUTPUT
Y
OE
L
A
H
L
L
L
H
H
X
Z
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
1OE
1A1
2Y4
1A2
2Y3
1A3
2Y2
1A4
2Y1
GND
V
CC
2OE
1Y1
2A4
1Y2
2A3
1Y3
2A2
1Y4
2A1
SN54BCT240 . . . J OR W PACKAGE
SN74BCT240 . . . DB, DW OR N PACKAGE
(TOP VIEW)
3
2
1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
1Y1
2A4
1Y2
2A3
1Y3
1A2
2Y3
1A3
2Y2
1A4
SN54BCT240 . . . FK PACKAGE
(TOP VIEW)
2
1
1
1
2
2
2
G
2
V
C
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 |
|---|---|
| SN74BCT240DB | OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS |
| SN54BCT240J | OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS |
| SN54BCT240W | OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS |
| SN54BCT29825 | 8-Bit Bus-Interface Flip-Flops With 3-State Outputs(8位總線接口觸發(fā)器(三態(tài)輸出)) |
| SN54BCT29826 | 8-Bit Bus-Interface Flip-Flops With 3-State Outputs(8位總線接口觸發(fā)器(三態(tài)輸出)) |
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