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HC640 Datasheet

  • HC640

  • OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

  • 434.21KB

  • 14頁

  • TI

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SCLS303D 鈭?JANUARY 1996 鈭?REVISED AUGUST 2003
SN54HC640, SN74HC640
OCTAL BUS TRANSCEIVERS
WITH 3 STATE OUTPUTS
D
Wide Operating Voltage Range of 2 V to 6 V
D
High-Current 3-State Outputs Can Drive Up
D
To 15 LSTTL Loads
Low Power Consumption, 80-碌A Max I
CC
SN54HC640 . . . J OR W PACKAGE
SN74HC640 . . . DW, N, NS, OR PW PACKAGE
(TOP VIEW)
D
D
D
D
Typical t
pd
= 8 ns
鹵6-mA
Output Drive at 5 V
Low Input Current of 1
碌A
Max
Inverting Logic
SN54HC640 . . . FK PACKAGE
(TOP VIEW)
A2
A1
DIR
V
CC
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
V
CC
OE
B1
B2
B3
B4
B5
B6
B7
B8
A3
A4
A5
A6
A7
4
5
6
7
8
3 2 1 20 19
18
17
16
15
14
9 10 11 12 13
OE
B1
B2
B3
B4
B5
description/ordering information
These octal bus transceivers are designed for asynchronous two-way communication between data buses.
These devices transmit data from the A bus to the B bus or from the B bus to the A bus, depending upon the
level at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so the
buses are effectively isolated.
ORDERING INFORMATION
TA
PDIP 鈭?N
SOIC 鈭?DW
鈭?0 C 85擄C
鈭?0擄C to 85 C
SOP 鈭?NS
PACKAGE鈥?/div>
Tube of 20
Tube of 25
Reel of 2000
Reel of 2000
Tube of 70
TSSOP 鈭?PW
CDIP 鈭?J
鈭?5 C 125擄C
鈭?5擄C to 125 C
CFP 鈭?W
LCCC 鈭?FK
Reel of 2000
Reel of 250
Tube of 20
Tube of 85
Tube of 55
ORDERABLE
PART NUMBER
SN74HC640N
SN74HC640DW
SN74HC640DWR
SN74HC640NSR
SN74HC640PW
SN74HC640PWR
SN74HC640PWT
SNJ54HC640J
SNJ54HC640W
SNJ54HC640FK
SNJ54HC640J
SNJ54HC640W
SNJ54HC640FK
HC640
HC640
HC640
TOP-SIDE
MARKING
SN74HC640N
鈥?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.
PRODUCTION DATA information is 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.
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
A8
GND
B8
B7
B6
On products compliant to MIL PRF 38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
Copyright
錚?/div>
2003, Texas Instruments Incorporated
1

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