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参数资料
| 型号： | SN54HC652W |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | HC/UH SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CDFP24 |
| 封装： | CERAMIC, FP-24 |
| 文件页数： | 1/9页 |
| 文件大小： | 163K |
| 代理商： | SN54HC652W |
SN54HC652, SN74HC652
OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCLS151B – DECEMBER 1982 – REVISED MAY 1997
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Independent Registers and Enables for A
and B Buses
D Multiplexed Real-Time and Stored Data
D True Data Paths
D High-Current 3-State Outputs Can Drive up
to 15 LSTTL Loads
D Package Options Include Plastic
Small-Outline (DW) and Ceramic Flat (W)
Packages, Ceramic Chip Carriers (FK), and
Standard Plastic (NT) and Ceramic (JT)
300-mil DIPs
description
These devices consist of bus-transceiver circuits,
D-type flip-flops, and control circuitry arranged for
multiplexed transmission of data directly from the
data bus or from the internal storage registers.
Output-enable (OEAB and OEBA) inputs are
provided to control the transceiver functions.
Select-control (SAB and SBA) inputs are provided
to select real-time or stored data transfer. A low
input level selects real-time data, and a high input
level selects stored data. Figure 1 illustrates the
four fundamental bus-management functions that
can be performed with the ’HC652.
Data on the A or B data bus, or both, can be stored
in the internal D-type flip-flops by low-to-high
transitions at the appropriate clock (CLKAB or
CLKBA) terminals regardless of the select- or
output-control terminals. When SAB and SBA are
in the real-time transfer mode, it is possible to
store data without using the internal D-type
flip-flops by simultaneously enabling OEAB and
OEBA.
In
this
configuration,
each
output
reinforces its input. When all other data sources to
the two sets of bus lines are at high impedance,
each set of bus lines remains at its last state.
The SN54HC652 is characterized for operation over the full military temperature range of – 55
°C to 125°C. The
SN74HC652 is characterized for operation from –40
°C to 85°C.
Copyright
1997, 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.
SN54HC652 . . . JT OR W PACKAGE
SN74HC652 . . . DW OR NT PACKAGE
(TOP VIEW)
SN54HC652 . . . FK PACKAGE
(TOP VIEW)
NC – No internal connection
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
CLKAB
SAB
OEAB
A1
A2
A3
A4
A5
A6
A7
A8
GND
VCC
CLKBA
SBA
OEBA
B1
B2
B3
B4
B5
B6
B7
B8
32 1
13 14
5
6
7
8
9
10
11
OEBA
B1
B2
NC
B3
B4
B5
A1
A2
A3
NC
A4
A5
A6
4
15 16 17 18
A8
GND
NC
B8
B7
B6
OEAB
SAB
CLKAB
NC
28 27 26
12
A7
CLKBA
SAB
CC
V
25
24
23
22
21
20
19
相关PDF资料 |
PDF描述 |
|---|---|
| SN54HC682WR | HC/UH SERIES, 8-BIT MAGNITUDE COMPARATOR, INVERTED OUTPUT, CDFP20 |
| SN54HC7032FK-00 | HC/UH SERIES, QUAD 2-INPUT OR GATE, CQCC20 |
| SN74HC7032D-00 | HC/UH SERIES, QUAD 2-INPUT OR GATE, PDSO14 |
| SN54HC7032W | HC/UH SERIES, QUAD 2-INPUT OR GATE, CDFP14 |
| SN54HC7266FK-00 | HC/UH SERIES, QUAD 2-INPUT XNOR GATE, CQCC20 |
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