HD74AC245 查看數據表（PDF） - Renesas Electronics
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HD74AC245 Datasheet PDF : 9 Pages
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HD74AC245/HD74ACT245
DC Characteristics: HD74ACT245
Item
Input voltage
Output voltage
Input current
3 State current
Sym- VCC
bol (V)
VIH
4.5
5.5
VIL
4.5
5.5
VOH 4.5
5.5
4.5
5.5
VOL
4.5
5.5
4.5
5.5
IIN
5.5
IOZ
5.5
Ta = 25°C
min.
2.0
2.0
—
—
4.4
5.4
3.94
4.94
—
—
—
—
—
—
typ.
1.5
1.5
1.5
1.5
4.49
5.49
—
—
0.001
0.001
—
—
—
—
max.
—
—
0.8
0.8
—
—
—
—
0.1
0.1
0.32
0.32
±0.1
±0.5
ICC/input current
ICCT
5.5
—
Dynamic output
IOLD
5.5
—
current*
IOHD
5.5
—
Quiescent supply ICC
5.5
—
current
0.6 —
—
—
—
—
—
8.0
*Maximum test duration 2.0 ms, one output loaded at a time.
Ta = –40 to
+85°C
min. max.
2.0 —
2.0 —
—
0.8
—
0.8
4.4 —
5.4 —
3.80 —
4.80 —
—
0.1
—
0.1
—
0.37
—
0.37
—
±1.0
—
±5.0
—
1.5
86
—
–75 —
—
80
Unit
V
V
µA
µA
mA
mA
mA
µA
Condition
VOUT = 0.1 V or VCC–0.1 V
VOUT = 0.1 V or VCC –0.1 V
VIN = VIL or VIH
IOUT = –50 µA
VIN = VIL
IOH = –24 mA
VIN = VIL or VIH
IOUT = 50 µA
IOH = –24 mA
VIN = VIL
IOL = 24 mA
IOL = 24 mA
VIN = VCC or GND
VIN = VIL, VIH
VOUT = VCC or GND
VIN = VCC–2.1 V
VOLD = 1.1 V
VOHD = 3.85 V
VIN = VCC or ground
AC Characteristics: HD74AC245
Item
Propagation delay
Data to output
Symbol
tPLH
VCC (V)*1
3.3
5.0
Ta = +25°C
CL = 50 pF
Min Typ Max
1.0 5.0 8.5
1.0 3.5 6.5
Ta = –40°C to +85°C
CL = 50 pF
Min
Max
1.0
9.0
ns
1.0
7.0
Unit
Propagation delay
tPHL
3.3
1.0 5.0 8.5 1.0
9.0
ns
Data to output
5.0
1.0 3.5 6.0 1.0
7.0
Output enable time
tZH
3.3
5.0
1.0 7.0 11.5 1.0
1.0 5.0 8.5 1.0
12.5
ns
9.0
Output enable time
tZL
3.3
5.0
1.0 7.5 12.0 1.0
1.0 5.5 9.0 1.0
13.5
ns
9.5
Output disable time
tHZ
3.3
5.0
1.0 6.5 12.0 1.0
1.0 5.5 9.0 1.0
12.5
ns
10.0
Output disable time
tLZ
3.3
5.0
1.0 7.0 11.5 1.0
1.0 5.5 9.0 1.0
13.0
ns
10.0
Note: 1. Voltage Range 3.3 is 3.3 V ± 0.3 V
Voltage Range 5.0 is 5.0 V ± 0.5 V
Rev.2.00, Jul.16.2004, page 4 of 8
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