參數(shù)資料
型號： 933857790602
廠商： NXP SEMICONDUCTORS
元件分類： 總線收發(fā)器
英文描述： F/FAST SERIES, 10 1-BIT TRANSCEIVER, INVERTED OUTPUT, PDIP24
封裝： 0.300 INCH, PLASTIC, MS-001, SOT-222-1, DIP-24
文件頁數(shù)： 7/12頁
文件大?。?/td> 89K
代理商： 933857790602
Philips Semiconductors
Product specification
74F862, 74F863
Bus transceivers (3-State)
2000 Mar 24
4
LOGIC DIAGRAM
74F862
10
OEAB
OEBA
An
Bn
SF00531
LOGIC DIAGRAM
74F863
99
OEAB0
An
Bn
OEAB1
OEBA0
OEBA1
SF00532
INPUT AND OUTPUT LOADING AND FAN-OUT TABLE
PINS
DESCRIPTION
74F(U.L.)
HIGH/LOW
LOAD VALUE
HIGH/LOW
A0 – A9
Data transmit inputs
3.5/0.117
70
A/70A
B0 – B9
Data receive inputs
3.5/0.117
70
A/70A
74F862
OEBA
Transmit output enable input
1.0/0.033
20
A/20A
74F862
OEAB
Receive output enable input
1.0/0.033
20
A/20A
A0 – A9
Data transmit outputs
1200/106.7
24mA/64mA
B0 – B9
Data receive outputs
1200/106.7
24mA/64mA
A0 – A9
Data transmit inputs
3.5/0.117
70
A/70A
B0 – B9
Data receive inputs
3.5/0.117
70
A/70A
74F863
OEBAn
Transmit output enable input
1.0/0.033
20
A/20A
74F863
OEABn
Receive output enable input
1.0/0.033
20
A/20A
A0 – A9
Data transmit outputs
1200/106.7
24mA/64mA
B0 – B9
Data receive outputs
1200/106.7
24mA/64mA
NOTE: One (1.0) FAST Unit Load is defined as: 20
A in the High state and 0.6mA in the Low state.
FUNCTION TABLE FOR 74F862
INPUTS
OPERATING MODES
OEAB
OEBA
74F862
L
H
A data to B bus
H
L
B bus to A data
H
Z
H = High voltage level
L
= Low voltage level
Z
= High impedance “off” state
FUNCTION TABLE FOR 74F863
INPUTS
OPERATING MODES
OEAB0
OEAB1
OEBA0
OEBA1
74F863
L
L0
L
H
X
H
A data to B bus
H
X
H
L
B bus to A data
H
Z
H = High voltage level
L
= Low voltage level
Z
= High impedance “off” state
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