參數(shù)資料
型號： 74HC_HCT245_3
廠商： NXP Semiconductors N.V.
英文描述： Octal bus transceiver; 3-state
中文描述： 8個三態(tài)總線收發(fā)器, 3態(tài)
文件頁數(shù)： 9/22頁
文件大?。?/td> 130K
代理商： 74HC_HCT245_3
9397 750 14502
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 03 — 31 January 2005
9 of 22
Philips Semiconductors
74HC245; 74HCT245
Octal bus tranceiver; 3-state
I
CC
additional quiescent supply
current per input pin
V
I
= V
CC
2.1 V; other inputs at
V
I
= V
CC
or GND;
V
CC
= 4.5 V to 5.5 V; I
O
= 0 A
An or Bn inputs
OE input
DIR input
input capacitance
input/output capacitance
-
-
-
-
-
40
150
90
3.5
10
144
540
324
-
-
μ
A
μ
A
μ
A
pF
pF
C
I
C
I/O
T
amb
=
40
°
C to +85
°
C
V
IH
V
IL
V
OH
HIGH-level input voltage
LOW-level input voltage
HIGH-level output voltage
V
CC
= 4.5 V to 5.5 V
V
CC
= 4.5 V to 5.5 V
V
I
= V
IH
or V
IL
; V
CC
= 4.5 V
I
O
=
20
μ
A
I
O
=
6 mA
V
I
= V
IH
or V
IL
; V
CC
= 4.5 V
I
O
= 20
μ
A
I
O
= 6.0 mA
V
I
= V
CC
or GND; V
CC
= 5.5 V
V
I
= V
IH
or V
IL
; V
CC
= 5.5 V;
V
O
= V
CC
or GND per input pin;
other inputs at V
CC
or GND; I
O
= 0 A
V
I
= V
CC
or GND; I
O
= 0 A;
V
CC
= 5.5 V
V
I
= V
CC
2.1 V; other inputs at
V
I
= V
CC
or GND;
V
CC
= 4.5 V to 5.5 V; I
O
= 0 A
2.0
-
-
-
-
0.8
V
V
4.4
3.84
-
-
-
-
V
V
V
OL
LOW-level output voltage
-
-
-
-
-
-
-
-
0.1
0.33
±
1.0
±
5.0
V
V
μ
A
μ
A
I
LI
I
OZ
input leakage current
OFF-state output current
I
CC
quiescent supply current
-
-
80
μ
A
I
CC
additional quiescent supply
current per input pin
An or Bn inputs
OE input
DIR input
-
-
-
-
-
-
180
675
405
μ
A
μ
A
μ
A
T
amb
=
40
°
C to +125
°
C
V
IH
HIGH-level input voltage
V
IL
LOW-level input voltage
V
OH
HIGH-level output voltage
V
CC
= 4.5 V to 5.5 V
V
CC
= 4.5 V to 5.5 V
V
I
= V
IH
or V
IL
; V
CC
= 4.5 V
I
O
=
20
μ
A
I
O
=
6 mA
V
I
= V
IH
or V
IL
; V
CC
= 4.5 V
I
O
= 20
μ
A
I
O
= 6.0 mA
V
I
= V
CC
or GND; V
CC
= 5.5 V
V
I
= V
IH
or V
IL
; V
CC
= 5.5 V;
V
O
= V
CC
or GND per input pin;
other inputs at V
CC
or GND; I
O
= 0 A
2.0
-
-
-
-
0.8
V
V
4.4
3.7
-
-
-
-
V
V
V
OL
LOW-level output voltage
-
-
-
-
-
-
-
-
0.1
0.4
±
1.0
±
10
V
V
μ
A
μ
A
I
LI
I
OZ
input leakage current
OFF-state output current
Table 8:
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol
Parameter
Static characteristics type 74HCT245
…continued
Conditions
Min
Typ
Max
Unit
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