参数资料
型号: SN74LV240DBR
厂商: TEXAS INSTRUMENTS INC
元件分类: 总线收发器
英文描述: LV/LV-A/LVX/H SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PDSO20
封装: PLASTIC, SSOP-20
文件页数: 1/6页
文件大小: 115K
代理商: SN74LV240DBR
SN54LV240, SN74LV240
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCLS193B – FEBRUARY 1993 – REVISED APRIL 1996
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D EPIC (Enhanced-Performance Implanted
CMOS) 2-
Process
D Typical VOLP (Output Ground Bounce)
< 0.8 V at VCC, TA = 25°C
D Typical VOHV (Output VOH Undershoot)
> 2 V at VCC, TA = 25°C
D ESD Protection Exceeds 2000 V Per
MIL-STD-883C, Method 3015; Exceeds
200 V Using Machine Model
(C = 200 pF, R = 0)
D Latch-Up Performance Exceeds 250 mA
Per JEDEC Standard JESD-17
D Package Options Include Plastic
Small-Outline (DW), Shrink Small-Outline
(DB), Thin Shrink Small-Outline (PW),
Ceramic Flat (W) Packages, Chip Carriers
(FK), and (J) 300-mil DIPs
description
These octal buffers/drivers are designed for 2.7-V
to 5.5-V VCC operation.
The ’LV240 are designed specifically to improve
both the performance and density of 3-state
memory address drivers, clock drivers, and
bus-oriented receivers and transmitters.
The ’LV240 are 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 SN74LV240 is available in TI’s shrink small-outline package (DB), which provides the same I/O pin count
and functionality of standard small-outline packages in less than half the printed-circuit-board area.
The SN54LV240 is characterized for operation over the full military temperature range of –55
°C to 125°C. The
SN74LV240 is characterized for operation from –40
°C to 85°C.
FUNCTION TABLE
(each buffer)
INPUTS
OUTPUT
OE
A
Y
L
H
L
LH
H
X
Z
Copyright
1996, 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.
Production processing does not necessarily include testing of all
parameters.
EPIC is a trademark of Texas Instruments Incorporated.
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.
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
VCC
2OE
1Y1
2A4
1Y2
2A3
1Y3
2A2
1Y4
2A1
SN54LV240 ...J OR W PACKAGE
SN74LV240 . . . DB, DW, OR PW PACKAGE
(TOP VIEW)
32
1 20 19
910 11 12 13
4
5
6
7
8
18
17
16
15
14
1Y1
2A4
1Y2
2A3
1Y3
1A2
2Y3
1A3
2Y2
1A4
SN54LV240 . . . FK PACKAGE
(TOP VIEW)
2Y4
1A1
1OE
1Y4
2A2
2OE
2Y1
GND
2A1
V
CC
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