参数资料
型号: SN54AHCT540FKR
厂商: TEXAS INSTRUMENTS INC
元件分类: 总线收发器
英文描述: AHCT/VHCT SERIES, 8-BIT DRIVER, INVERTED OUTPUT, CQCC20
封装: CERAMIC, CC-20
文件页数: 1/6页
文件大小: 84K
代理商: SN54AHCT540FKR
SN54AHCT540, SN74AHCT540
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCLS268J – DECEMBER 1995 – REVISED JANUARY 2000
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D EPIC (Enhanced-Performance Implanted
CMOS) Process
D Inputs Are TTL-Voltage Compatible
D Latch-Up Performance Exceeds 250 mA Per
JESD 17
D ESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015; Exceeds 200 V
Using Machine Model (C = 200 pF, R = 0)
D Package Options Include Plastic
Small-Outline (DW), Shrink Small-Outline
(DB), Thin Very Small-Outline (DGV), Thin
Shrink Small-Outline (PW), and Ceramic
Flat (W) Packages, Ceramic Chip Carriers
(FK), and Standard Plastic (N) and Ceramic
(J) DIPs
description
The ’AHCT540 octal buffers/drivers are ideal for
driving bus lines or buffer memory address
registers. These devices feature inputs and
outputs on opposite sides of the package to
facilitate printed circuit board layout.
The 3-state control gate is a two-input AND gate
with
active-low
inputs
so
that
if
either
output-enable (OE1 or OE2) input is high, all
corresponding outputs are in the high-impedance
state. The outputs provide inverted data when
they are not in the high-impedance state.
To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
The SN54AHCT540 is characterized for operation over the full military temperature range of –55
°C to 125°C.
The SN74AHCT540 is characterized for operation from –40
°C to 85°C.
FUNCTION TABLE
(each buffer/driver)
INPUTS
OUTPUT
OE1
OE2
A
Y
L
H
L
LH
L
H
XX
Z
X
H
X
Z
Copyright
2000, 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.
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.
EPIC is a trademark of Texas Instruments Incorporated.
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
OE1
A1
A2
A3
A4
A5
A6
A7
A8
GND
VCC
OE2
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
SN54AHCT540 ...J OR W PACKAGE
SN74AHCT540 . . . DB, DGV, DW, N, OR PW PACKAGE
(TOP VIEW)
32
1 20 19
910 11 12 13
4
5
6
7
8
18
17
16
15
14
Y1
Y2
Y3
Y4
Y5
A3
A4
A5
A6
A7
SN54AHCT540 . . . FK PACKAGE
(TOP VIEW)
A2
A1
OE1
Y7
Y6
OE2
A8
GND
Y8
V
CC
On products compliant to MIL-PRF-38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
相关PDF资料
PDF描述
SN54AHCT540W AHCT/VHCT SERIES, 8-BIT DRIVER, INVERTED OUTPUT, CDFP20
SN54AHCT540WR AHCT/VHCT SERIES, 8-BIT DRIVER, INVERTED OUTPUT, CDFP20
SN54AHCT573FK AHCT/VHCT SERIES, 8-BIT DRIVER, TRUE OUTPUT, CQCC20
SN54AHCT573W AHCT/VHCT SERIES, 8-BIT DRIVER, TRUE OUTPUT, CDFP20
SN54AHCT574WR AHCT/VHCT SERIES, 8-BIT DRIVER, TRUE OUTPUT, CDFP20
相关代理商/技术参数
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