參數(shù)資料
型號： 74HC_HCT245_CNV_2
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)： 22/22頁
文件大?。?/td> 130K
代理商： 74HC_HCT245_CNV_2
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
VI =VCC 2.1 V; other inputs at
VI =VCC or GND;
VCC = 4.5 V to 5.5 V; IO =0A
An or Bn inputs
-
40
144
A
OE input
-
150
540
A
DIR input
-
90
324
A
CI
input capacitance
-
3.5
-
pF
CI/O
input/output capacitance
-
10
-
pF
Tamb = 40 °C to +85 °C
VIH
HIGH-level input voltage
VCC = 4.5 V to 5.5 V
2.0
-
V
VIL
LOW-level input voltage
VCC = 4.5 V to 5.5 V
-
0.8
V
VOH
HIGH-level output voltage
VI =VIH or VIL; VCC = 4.5 V
IO = 20 A
4.4
-
V
IO = 6 mA
3.84
-
V
VOL
LOW-level output voltage
VI =VIH or VIL; VCC = 4.5 V
IO =20 A
-
0.1
V
IO = 6.0 mA
-
0.33
V
ILI
input leakage current
VI =VCC or GND; VCC = 5.5 V
-
±1.0
A
IOZ
OFF-state output current
VI =VIH or VIL; VCC = 5.5 V;
VO =VCC or GND per input pin;
other inputs at VCC or GND; IO =0A
--
±5.0
A
ICC
quiescent supply current
VI =VCC or GND; IO =0A;
VCC = 5.5 V
--80
A
ICC
additional quiescent supply
current per input pin
VI =VCC 2.1 V; other inputs at
VI =VCC or GND;
VCC = 4.5 V to 5.5 V; IO =0A
An or Bn inputs
-
180
A
OE input
-
675
A
DIR input
-
405
A
Tamb = 40 °C to +125 °C
VIH
HIGH-level input voltage
VCC = 4.5 V to 5.5 V
2.0
-
V
VIL
LOW-level input voltage
VCC = 4.5 V to 5.5 V
-
0.8
V
VOH
HIGH-level output voltage
VI =VIH or VIL; VCC = 4.5 V
IO = 20 A
4.4
-
V
IO = 6 mA
3.7
-
V
VOL
LOW-level output voltage
VI =VIH or VIL; VCC = 4.5 V
IO =20 A
-
0.1
V
IO = 6.0 mA
-
0.4
V
ILI
input leakage current
VI =VCC or GND; VCC = 5.5 V
-
±1.0
A
IOZ
OFF-state output current
VI =VIH or VIL; VCC = 5.5 V;
VO =VCC or GND per input pin;
other inputs at VCC or GND; IO =0A
--
±10
A
Table 8:
Static characteristics type 74HCT245 …continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
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