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參數(shù)資料
| 型號： | SN54AHCT245W |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS |
| 中文描述： | 八路總線收發(fā)器與三態(tài)輸出 |
| 文件頁數(shù)： | 1/19頁 |
| 文件大小： | 739K |
| 代理商： | SN54AHCT245W |
SCLS233N OCTOBER 1995 REVISED MARCH 2005
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Inputs Are TTL-Voltage Compatible
Latch-Up Performance Exceeds 250 mA Per
JESD 17
ESD Protection Exceeds JESD 22
2000-V Human-Body Model (A114-A)
200-V Machine Model (A115-A)
1000-V Charged-Device Model (C101)
SN54AHCT245 . . . J OR W PACKAGE
SN74AHCT245 . . . DB, DGV, DW, N, NS,
OR PW PACKAGE
(TOP VIEW)
3
2 1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
B1
B2
B3
B4
B5
A3
A4
A5
A6
A7
A
A
D
B
B
O
A
G
B
V
C
SN54AHCT245 . . . FK PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
V
CC
OE
B1
B2
B3
B4
B5
B6
B7
B8
SN74AHCT245 . . . RGY PACKAGE
(TOP VIEW)
1
20
10
11
2
3
4
5
6
7
8
9
19
18
17
16
15
14
13
12
OE
B1
B2
B3
B4
B5
B6
B7
A1
A2
A3
A4
A5
A6
A7
A8
D
B
V
G
description/ordering information
These octal bus transceivers are designed for asynchronous two-way communication between data buses. The
control-function implementation minimizes external timing requirements.
The ’AHCT245 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 level at the direction-control (DIR) input. The output-enable (
OE
) input can be used to
disable the device so that the buses effectively are isolated.
To ensure the high-impedance state during power up or power down, OE should be tied to V
CC
through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
ORDERING INFORMATION
TA
PACKAGE
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP N
Tube
SN74AHCT245N
SN74AHCT245N
QFN RGY
Tape and reel
SN74AHCT245RGYR
HB245
SOIC DW
Tube
SN74AHCT245DW
AHCT245
Tape and reel
SN74AHCT245DWR
40 C to 85 C
SOP NS
Tape and reel
SN74AHCT245NSR
AHCT245
SSOP DB
Tape and reel
SN74AHCT245DBR
HB245
TSSOP PW
Tube
SN74AHCT245PW
HB245
Tape and reel
SN74AHCT245PWR
TVSOP DGV
Tape and reel
SN74AHCT245DGVR
HB245
CDIP J
Tube
SNJ54AHCT245J
SNJ54AHCT245J
55 C to 125 C
CFP W
Tube
SNJ54AHCT245W
SNJ54AHCT245W
LCCC FK
Tube
SNJ54AHCT245FK
SNJ54AHCT245FK
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines
are available at www.ti.com/sc/package.
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.
Copyright
2005, Texas Instruments Incorporated
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相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SN74AHCT245DGV | OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS |
| SN74AHCU04DB | HEX INVERTERS |
| SN54AHCU04FK | HEX INVERTERS |
| SN54AHCU04J | HEX INVERTERS |
| SN54AHCU04W | HEX INVERTERS |
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