參數(shù)資料
型號: 74F245
廠商: National Semiconductor Corporation
英文描述: Octal Bidirectional Transceiver with TRI-STATE Outputs(帶三態(tài)輸出的八路雙向收發(fā)器)
中文描述: 八路雙向收發(fā)器具有三態(tài)輸出(帶三態(tài)輸出的八路雙向收發(fā)器)
文件頁數(shù): 4/8頁
文件大?。?/td> 173K
代理商: 74F245
DC Electrical Characteristics
(Continued)
Symbol
Parameter
54F/74F
Units
V
CC
Conditions
Min
Typ
Max
I
OS
Output Short-Circuit Current
b
60
b
100
b
150
b
225
mA
Max
V
OUT
e
0V (A
n
)
V
OUT
e
0V (B
n
)
I
ZZ
Bus Drainage Test
500
m
A
0.0V
V
OUT
e
5.25V(A
n
, B
n
)
I
CCH
Power Supply Current
70
90
mA
Max
V
O
e
HIGH
I
CCL
Power Supply Current
95
120
mA
Max
V
O
e
LOW
I
CCZ
Power Supply Current
85
110
mA
Max
V
O
e
HIGH Z
AC Electrical Characteristics
74F
54F
74F
T
A
e a
25
§
C
V
CC
e a
5.0V
C
L
e
50 pF
T
A
, V
CC
e
Mil
C
L
e
50 pF
T
A
, V
CC
e
Com
C
L
e
50 pF
Symbol
Parameter
Units
Min
Typ
Max
Min
Max
Min
Max
t
PLH
t
PHL
Propagation Delay
A
n
to B
n
or B
n
to A
n
2.5
2.5
4.2
4.2
6.0
6.0
2.0
2.0
7.5
7.5
2.0
2.0
7.0
7.0
ns
t
PZH
t
PZL
Output Enable Time
3.0
3.5
5.3
6.0
7.0
8.0
2.5
3.0
9.0
10.0
2.5
3.0
8.0
9.0
ns
t
PHZ
t
PLZ
Output Disable Time
2.0
2.0
5.0
5.0
6.5
6.5
2.0
2.0
9.0
10.0
2.0
2.0
7.5
7.5
Ordering Information
The device number is used to form part of a simplified purchasing code where the package type and temperature range are
defined as follows:
74F
245
S
C
X
Temperature Range Family
74F
e
Commercial
54F
e
Military
Special Variations
QB
e
Military grade device with
environmental and burn-in
processing
X
e
Devices shipped in 13
×
reel
Device Type
Package Code
P
e
Plastic DIP
D
e
Ceramic DIP
F
e
Flatpak
L
e
Leadless Chip Carrier (LCC)
S
e
Small Outline SOIC JEDEC
MSA
e
Shrink Small Outline Package (EIAJ SSOP)
SJ
e
Small Outline Package SOIC EIAJ
Temperature Range
C
e
Commercial (0
§
C to
a
70
§
C)
M
e
Military (
b
55
§
C to
a
125
§
C)
NOTE: NOT REQUIRED
FOR MSA PACKAGE CODE
4
相關(guān)PDF資料
PDF描述
74F251A 8-Input Multiplexer with TRI-STATE Outputs(帶三態(tài)輸出的8輸入多路復(fù)用器)
74F251APC 8-Input Multiplexer with TRI-STATE Outputs
74F251ASC 8-Input Multiplexer with TRI-STATE Outputs
74F251ASJ 8-Input Multiplexer with TRI-STATE Outputs
74F251 8-Input Multiplexer with 3-STATE Outputs
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
74F245D 制造商:NXP Semiconductors 功能描述:OCTAL BUS TRANSCEIVER
74F245DC 制造商:Rochester Electronics LLC 功能描述:- Bulk
74F245MSA 功能描述:總線收發(fā)器 Octal Bidir Trans RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
74F245MSA_Q 功能描述:總線收發(fā)器 Octal Bidir Trans RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
74F245MSAX 功能描述:總線收發(fā)器 Octal Bidir Trans RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel