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参数资料
| 型号： | SN54ABT620J |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | ABT SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, CDIP20 |
| 封装： | CERAMIC, DIP-20 |
| 文件页数： | 1/7页 |
| 文件大小： | 117K |
| 代理商： | SN54ABT620J |
SN54ABT620, SN74ABT620
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS113D – FEBRUARY 1991 – REVISED APRIL 1998
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D State-of-the-Art EPIC-ΙΙB BiCMOS Design
Significantly Reduces Power Dissipation
D ESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015; Exceeds 200 V
Using Machine Model (C = 200 pF, R = 0)
D Latch-Up Performance Exceeds 500 mA Per
JESD 17
D Typical VOLP (Output Ground Bounce) < 1 V
at VCC = 5 V, TA = 25°C
D High-Drive Outputs (–32-mA IOH,
64-mA IOL)
D Package Options Include Plastic
Small-Outline (DW), Shrink Small-Outline
(DB), and Thin Shrink Small-Outline (PW)
Packages, Ceramic Chip Carriers (FK), and
Plastic (N) and Ceramic (J) DIPs
description
These
octal
bus
transceivers
provide
for
asynchronous communication between data
buses.
The
control-function
implementation
allows for maximum flexibility in timing. The
’ABT620 devices provide inverted data at the
outputs.
These devices allow data transmission from the
A bus to the B bus or from the B bus to the A bus,
depending on the logic levels at the output-enable
(OEAB and OEBA) inputs.
The output-enable inputs can be used to disable the device so that the buses are effectively isolated. The
dual-enable configuration gives the transceivers the capability of storing data by simultaneously enabling OEAB
and OEBA. When both OEAB and OEBA are enabled and all other data sources to the two sets of bus lines
are at high impedance, both sets of bus lines (16 total) remain at their last states. In this way, each output
reinforces its input in this configuration.
To ensure the high-impedance state during power up or power down, OEBA 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.
OEAB should be tied to GND through a pulldown resistor; the minimum value of the resistor is determined by
the current-sourcing capability of the driver.
The SN54ABT620 is characterized for operation over the full military temperature range of –55
°C to 125°C. The
SN74ABT620 is characterized for operation from –40
°C to 85°C.
Copyright
1998, 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-
ΙΙB is a trademark of Texas Instruments Incorporated.
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10
20
19
18
17
16
15
14
13
12
11
OEAB
A1
A2
A3
A4
A5
A6
A7
A8
GND
VCC
OEBA
B1
B2
B3
B4
B5
B6
B7
B8
SN54ABT620 ...J PACKAGE
SN74ABT620 . . . DB, 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
B1
B2
B3
B4
B5
A3
A4
A5
A6
A7
SN54ABT620 . . . FK PACKAGE
(TOP VIEW)
A2
A1
OEAB
B7
B6
OEBA
A8
GND
B8
V
CC
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SN54ABT623A | 制造商:TI 制造商全称:Texas Instruments 功能描述:OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS |
| SN54ABT623AFK | 制造商:TI 制造商全称:Texas Instruments 功能描述:OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS |
| SN54ABT623AJT | 制造商:TI 制造商全称:Texas Instruments 功能描述:OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS |
| SN54ABT623AW | 制造商:TI 制造商全称:Texas Instruments 功能描述:OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS |
| SN54ABT640 | 制造商:TI 制造商全称:Texas Instruments 功能描述:OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS |
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