參數(shù)資料
型號(hào)： SNJ54BCT245W
廠商： TEXAS INSTRUMENTS INC
元件分類： 總線收發(fā)器
英文描述： BCT/FBT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CDFP20
封裝： CERAMIC, DFP-20
文件頁(yè)數(shù)： 12/20頁(yè)
文件大小： 767K
代理商： SNJ54BCT245W
SN54BCT245, SN74BCT245
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS013H – SEPTEMBER 1998 – REVISED MAY 2002
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
FUNCTION TABLE
INPUTS
OPERATION
OE
DIR
OPERATION
L
B data to A bus
L
H
A data to B bus
H
X
Isolation
logic diagram (positive logic)
DIR
OE
A1
B1
1
2
18
19
To Seven Other Channels
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, VCC
–0.5 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range, VI: Control inputs (see Note 1)
–0.5 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I/O ports (see Note 1)
–0.5 V to 5.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage range applied to any output in the disabled or power-off state, VO
–0.5 V to 7 V
. . . . . . . . . . . . . . . . .
Voltage range applied to any output in the high state, VO
–0.5 V to VCC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Current into any output in the low state, IO: SN54BCT245
96 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74BCT245
128 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Package thermal impedance,
θJA (see Note 2): DB package
70
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DW package
58
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
N package
69
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NS package
60
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PW package
83
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
–65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES:
1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
2. The package thermal impedance is calculated in accordance with JESD 51-7.
相關(guān)PDF資料
PDF描述
SN74BCT245DWR BCT/FBT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
SN74BCT245DW BCT/FBT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
SNJ54BCT541FKR BCT/FBT SERIES, 8-BIT DRIVER, TRUE OUTPUT, CQCC20
SNJ54BCT544W BCT/FBT SERIES, 8-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, CDFP24
SN74BCT544DWR BCT/FBT SERIES, 8-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, PDSO24
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