參數(shù)資料
型號: 74F245PC
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 通用總線功能
英文描述: Octal Bidirectional Transceiver with TRI-STATE Outputs
中文描述: F/FAST SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDIP20
封裝: 0.300 INCH, PLASTIC, DIP-20
文件頁數(shù): 3/10頁
文件大?。?/td> 91K
代理商: 74F245PC
Philips Semiconductors
Product specification
74F245
Octal transceiver (3-State)
November 15, 1994
3
LOGIC DIAGRAM
SF00201
18
B0
17
B1
16
B2
15
B3
14
B4
13
B5
12
B6
11
B7
A0
A1
A2
A3
A4
A5
A6
A7
2
3
4
5
6
7
8
9
19
1
OE
T/R
V
= Pin 20
GND = Pin 10
FUNCTION TABLE
INPUTS
OUTPUTS
OE
T/R
L
L
Bus B data to Bus A
L
H
Bus A data to Bus B
H
X
Z
H = High voltage level
L = Low voltage level
X = Don’t care
Z = High impedance “off” state
ABSOLUTE MAXIMUM RATINGS
(Operation beyond the limits set forth in this table may impair the useful life of the device.
Unless otherwise noted these limits are over the operating free-air temperature range.)
SYMBOL
PARAMETER
RATING
UNIT
V
CC
V
IN
I
IN
V
OUT
Supply voltage
–0.5 to +7.0
V
Input voltage
–0.5 to +7.0
V
Input current
–30 to +5
mA
Voltage applied to output in High output state
–0.5 to +5.5
V
I
OUT
Current applied to output in Low output state
A0–A7
48
mA
B0–B7
128
mA
T
amb
T
stg
Operating free-air temperature range
0 to +70
°
C
°
C
Storage temperature range
–65 to +150
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
LIMITS
UNIT
MIN
NOM
MAX
V
CC
V
IH
V
IL
I
IK
Supply voltage
4.5
5.0
5.5
V
High-level input voltage
2.0
V
Low-level input voltage
0.8
V
Input clamp current
–18
mA
I
OH
High level output current
High-level output current
A0–A7
–3
mA
B0–B7
–15
mA
I
OL
Low level output current
Low-level output current
A0–A7
24
mA
B0–B7
64
mA
T
amb
Operating free-air temperature range
0
+70
°
C
相關(guān)PDF資料
PDF描述
74F245SC Solid State Relay; Output Device:MOSFET; Load Current Max:140mA; Leaded Process Compatible:Yes; Switch Function:DPST-NO RoHS Compliant: Yes
74F245SJ Octal Bidirectional Transceiver with TRI-STATE Outputs
74F245 Octal Bidirectional Transceiver with 3-STATE Outputs
74F245MSA Octal Bidirectional Transceiver with 3-STATE Outputs
74F245MTC Octal Bidirectional Transceiver with 3-STATE Outputs
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
74F245PC NSC 93 制造商:National Semiconductor 功能描述:74F245N 18/TUBE
74F245PC 制造商:Fairchild Semiconductor Corporation 功能描述:IC 74F FAST TTL 74F245 DIP20
74F245PC_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
74F245PCFSC83 制造商:Fairchild Semiconductor 功能描述:74F245N
74F245PC-NL 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Octal Bidirectional Transceiver with 3-STATE Outputs