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参数资料
| 型号： | 935261962118 |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 总线收发器 |
| 英文描述： | AHCT/VHCT SERIES, OCTAL 1-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| 封装： | 4.40 MM, PLASTIC, MO-153AC, SOT-360-1, TSSOP-20 |
| 文件页数： | 17/20页 |
| 文件大小： | 88K |
| 代理商： | 935261962118 |
1999 Sep 28
6
Philips Semiconductors
Product specication
Octal bus transceiver; 3-state
74AHC245; 74AHCT245
DC CHARACTERISTICS
74AHC family
Over recommended operating conditions; voltages are referenced to GND (ground=0V).
SYMBOL
PARAMETER
TEST CONDITIONS
Tamb (°C)
UNIT
OTHER
VCC (V)
25
40 to +85 40 to +125
MIN.
TYP.
MAX. MIN. MAX. MIN. MAX.
VIH
HIGH-level input
voltage
2.0
1.5
1.5
1.5
V
3.0
2.1
2.1
2.1
5.5
3.85
3.85
3.85
VIL
LOW-level input
voltage
2.0
0.5
0.5
0.5
V
3.0
0.9
0.9
0.9
5.5
1.65
1.65
1.65
VOH
HIGH-level output
voltage; all
outputs
VI =VIH or VIL;
IO = 50 A
2.0
1.9
2.0
1.9
1.9
V
3.0
2.9
3.0
2.9
2.9
4.5
4.4
4.5
4.4
4.4
HIGH-level output
voltage
VI =VIH or VIL;
IO = 4.0 mA
3.0
2.58
2.48
2.40
V
VI =VIH or VIL;
IO = 8.0 mA
4.5
3.94
3.8
3.70
VOL
LOW-level output
voltage; all
outputs
VI =VIH or VIL;
IO =50 A
2.0
0
0.1
0.1
0.1
V
3.0
0
0.1
0.1
0.1
4.5
0
0.1
0.1
0.1
LOW-level output
voltage
VI =VIH or VIL;
IO =4mA
3.0
0.36
0.44
0.55
V
VI =VIH or VIL;
IO =8mA
4.5
0.36
0.44
0.55
II
input leakage
current
VI =VCC or GND
5.5
0.1
1.0
2.0
A
IOZ
3-state output
OFF current
VI =VIH or VIL;
VO =VCC or GND
5.5
±0.25 ±2.5
±10.0 A
ICC
quiescent supply
current
VI =VCC or GND;
IO =0
5.5
4.0
40
80
A
CI
input capacitance
310
10
10
pF
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