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参数资料
| 型号： | SNJ54AHC16540WD |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | AHC SERIES, DUAL 8-BIT DRIVER, INVERTED OUTPUT, CDFP48 |
| 封装： | 0.380 INCH, FINE PITCH, CERAMIC, FP-48 |
| 文件页数： | 1/7页 |
| 文件大小： | 116K |
| 代理商： | SNJ54AHC16540WD |
SN54AHC16540, SN74AHC16540
16-BIT BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCLS331F – MARCH 1996 – REVISED JANUARY 2000
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Members of the Texas Instruments
Widebus
Family
D EPIC (Enhanced-Performance Implanted
CMOS) Process
D Operating Range 2-V to 5.5-V VCC
D Distributed VCC and GND Pins Minimize
High-Speed Switching Noise
D Flow-Through Architecture Optimizes PCB
Layout
D Latch-Up Performance Exceeds 250 mA Per
JESD 17
D ESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015
D Package Options Include Plastic Shrink
Small-Outline (DL), Thin Shrink
Small-Outline (DGG), and Thin Very
Small-Outline (DGV) Packages and 380-mil
Fine-Pitch Ceramic Flat (WD) Package
Using 25-mil Center-to-Center Spacings
description
These 16-bit buffers and bus drivers provide a
high-performance bus interface for wide data
paths.
The 3-state control gate is a 2-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.
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 SN54AHC16540 is characterized for operation over the full military temperature range of –55
°C to 125°C.
The SN74AHC16540 is characterized for operation from –40
°C to 85°C.
FUNCTION TABLE
(each 8-bit 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
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.
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 and Widebus are trademarks of Texas Instruments Incorporated.
SN54AHC16540 . . . WD PACKAGE
SN74AHC16540 . . . DGG, DGV, OR DL PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
1OE1
1Y1
1Y2
GND
1Y3
1Y4
VCC
1Y5
1Y6
GND
1Y7
1Y8
2Y1
2Y2
GND
2Y3
2Y4
VCC
2Y5
2Y6
GND
2Y7
2Y8
2OE1
1OE2
1A1
1A2
GND
1A3
1A4
VCC
1A5
1A6
GND
1A7
1A8
2A1
2A2
GND
2A3
2A4
VCC
2A5
2A6
GND
2A7
2A8
2OE2
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