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参数资料
| 型号： | SN74ABT533DB |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | ABT SERIES, 8-BIT DRIVER, INVERTED OUTPUT, PDSO20 |
| 封装： | PLASTIC, SSOP-20 |
| 文件页数： | 1/10页 |
| 文件大小： | 207K |
| 代理商： | SN74ABT533DB |
SN54ABT533, SN74ABT533
OCTAL TRANSPARENT D-TYPE LATCHES
WITH 3-STATE OUTPUTS
SCBS186A – FEBRUARY 1991 – REVISED JULY 1994
Copyright
1994, Texas Instruments Incorporated
2–1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
State-of-the-Art EPIC-ΙΙB BiCMOS Design
Significantly Reduces Power Dissipation
Latch-Up Performance Exceeds 500 mA
Per JEDEC Standard JESD-17
Typical V
OLP (Output Ground Bounce)
< 1 V at VCC = 5 V, TA = 25°C
High-Drive Outputs (–32-mA I
OH,
64-mA IOL)
Package Options Include Plastic
Small-Outline (DW) and Shrink
Small-Outline (DB) Packages, Ceramic
Chip Carriers (FK), and Plastic (N) and
Ceramic (J) DIPs
description
The
′ABT533 are 8-bit transparent D-type latches
with 3-state outputs designed specifically for
driving
highly
capacitive
or
relatively
low-
impedance loads. They are particularly suitable
for implementing buffer registers, I/O ports,
bidirectional bus drivers, and working registers.
When the latch-enable (LE) input is high, the
Q outputs follow the complements of the data
(D) inputs. When LE is taken low, the Q outputs
are latched at the inverse of the levels set up at the
D inputs. The
′ABT533 provides inverted data at
its outputs.
A buffered output-enable (OE) input can be used to place the eight outputs in either a normal logic state (high
or low logic levels) or a high-impedance state. In the high-impedance state, the outputs neither load nor drive
the bus lines significantly. The high-impedance state and the increased drive provide the capability to drive bus
lines without need for interface or pullup components.
OE does not affect the internal operations of the latches. Previously stored data can be retained or new data
can be entered while the 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 SN74ABT533 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 SN54ABT533 is characterized for operation over the full military temperature range of – 55
°C to 125°C. The
SN74ABT533 is characterized for operation from – 40
°C to 85°C.
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
OE
1Q
1D
2D
2Q
3Q
3D
4D
4Q
GND
VCC
8Q
8D
7D
7Q
6Q
6D
5D
5Q
LE
SN54ABT533 ...J PACKAGE
SN74ABT533 . . . DB, DW, OR N PACKAGE
(TOP VIEW)
32 1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
8D
7D
7Q
6Q
6D
2D
2Q
3Q
3D
4D
SN54ABT533 . . . FK PACKAGE
(TOP VIEW)
1D
1Q
OE
5Q
5D
8Q
4Q
GND
LE
V
CC
EPIC-
ΙΙB is a trademark of 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.
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| SN74ABT574ADB | ABT SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SN74ABT533DBLE | 制造商:TI 制造商全称:Texas Instruments 功能描述:OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS |
| SN74ABT533DW | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| SN74ABT533DWR | 制造商:TI 制造商全称:Texas Instruments 功能描述:OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS |
| SN74ABT533N | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74ABT534A | 制造商:TI 制造商全称:Texas Instruments 功能描述:OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS |
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