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| 型號(hào)： | SN54BCT25244JT |
| 廠(chǎng)商： | Texas Instruments, Inc. |
| 英文描述： | 25-ohm OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS |
| 中文描述： | 25歐姆八路緩沖器/ 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： | SN54BCT25244JT |
SN54BCT25244, SN74BCT25244
25-
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCBS064A – JUNE 1990 – 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)
Designed to Facilitate Incident-Wave
Switching for Line Impedances of 25
or Greater
Distributed V
CC
and GND Pins Minimize
Noise Generated by the Simultaneous
Switching of Outputs
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 25-
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
receivers and transmitters.
These buffers are capable of sinking 188-mA I
OL
,
which facilitates switching 25-
transmission
lines on the incident wave. The distributed V
CC
and GND pins minimize switching noise for more
reliable system operation.
When the output-enable (1OE and 2OE) inputs
are low, the device transmits data from the
A inputs to the Y outputs. When 1OE and 2OE are
high, the outputs are in the high-impedance state.
The SN54BCT25244 is characterized for
operation over the full military temperature range
of –55
°
C to 125
°
C. The SN74BCT25244 is
characterized for operation from 0
°
C to 70
°
C.
FUNCTION TABLE
(each buffer/driver)
INPUTS
OUTPUT
Y
OE
L
A
H
H
L
L
L
H
X
Z
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
1Y1
GND
1Y2
1Y3
GND
1Y4
2Y1
GND
2Y2
2Y3
GND
2Y4
1OE
1A1
1A2
V
CC
1A3
1A4
2A1
2A2
V
CC
2A3
2A4
2OE
SN54BCT25244 . . . JT OR W PACKAGE
SN74BCT25244 . . . DW OR NT PACKAGE
(TOP VIEW)
3 2 1 28 27
12 13
5
6
7
8
9
10
11
25
24
23
22
21
20
19
2OE
2Y4
GND
NC
2Y3
2Y2
GND
1A3
V
CC
1A2
NC
1A1
1OE
1Y1
4
26
14 15 16 17 18
G
1
1
N
G
1
2
1
2
2
N
V
2
2
SN54BCT25244 . . . FK PACKAGE
(TOP VIEW)
NC – No internal connection
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 |
|---|---|
| SN54BCT25245 | 25ohm OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS |
| SN54BCT25245FK | 25ohm OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS |
| SN54BCT25245JT | Reference Voltage Generator for Vcom Adjustment 10-SON |
| SN54BCT25245W | Reference Voltage Generator for Vcom Adjustment 10-SON |
| SN54BCT2827CJT | 10-BIT BUS/MOS MEMORY DRIVERS WITH 3-STATE OUTPUTS |
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