參數(shù)資料
型號(hào): 74AHCT245
廠商: NXP Semiconductors N.V.
英文描述: Quadruple 2-Input Positive-AND Gates 14-SSOP -40 to 85
中文描述: 八路總線收發(fā)器,三態(tài)
文件頁數(shù): 6/20頁
文件大?。?/td> 88K
代理商: 74AHCT245
1999 Sep 28
6
Philips Semiconductors
Product specification
Octal bus transceiver; 3-state
74AHC245; 74AHCT245
DC CHARACTERISTICS
74AHC family
Over recommended operating conditions; voltages are referenced to GND (ground = 0 V).
SYMBOL
PARAMETER
TEST CONDITIONS
T
amb
(
°
C)
UNIT
OTHER
V
CC
(V)
25
40 to +85
40 to +125
MIN.
TYP.
2.0
3.0
4.5
MAX. MIN. MAX. MIN. MAX.
1.5
2.1
3.85
0.5
0.5
0.9
0.9
1.65
1.65
1.9
2.9
4.4
2.48
V
IH
HIGH-level input
voltage
2.0
3.0
5.5
2.0
3.0
5.5
2.0
3.0
4.5
3.0
1.5
2.1
3.85
1.9
2.9
4.4
2.58
1.5
2.1
3.85
1.9
2.9
4.4
2.40
0.5
0.9
1.65
V
V
IL
LOW-level input
voltage
V
V
OH
HIGH-level output
voltage; all
outputs
V
I
= V
IH
or V
IL
;
I
O
=
50
μ
A
V
HIGH-level output
voltage
V
I
= V
IH
or V
IL
;
I
O
=
4.0 mA
V
I
= V
IH
or V
IL
;
I
O
=
8.0 mA
V
I
= V
IH
or V
IL
;
I
O
= 50
μ
A
V
4.5
3.94
3.8
3.70
V
OL
LOW-level output
voltage; all
outputs
2.0
3.0
4.5
3.0
0
0
0
0.1
0.1
0.1
0.36
0.1
0.1
0.1
0.44
0.1
0.1
0.1
0.55
V
LOW-level output
voltage
V
I
= V
IH
or V
IL
;
I
O
= 4 mA
V
I
= V
IH
or V
IL
;
I
O
= 8 mA
V
I
= V
CC
or GND
V
4.5
0.36
0.44
0.55
I
I
input leakage
current
3-state output
OFF current
quiescent supply
current
input capacitance
5.5
0.1
1.0
2.0
μ
A
I
OZ
V
I
= V
IH
or V
IL
;
V
O
= V
CC
or GND
V
I
= V
CC
or GND;
I
O
= 0
5.5
±
0.25
±
2.5
±
10.0
μ
A
I
CC
5.5
4.0
40
80
μ
A
C
I
3
10
10
10
pF
相關(guān)PDF資料
PDF描述
74AHC245 Octal bus transceiver; 3-state(八通道總線收發(fā)器;三態(tài))
74AHC245PWDH Octal bus transceiver; 3-state
74AHCT257 Quadruple 2-Input Positive-AND Gates 14-SOIC -40 to 85
74AHCT259 Quadruple 2-Input Positive-AND Gates 14-SOIC -40 to 85
74AHC259 8-bit addressable latch(8位可尋址鎖存器)
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