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參數(shù)資料
| 型號： | 935261962118 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | AHCT/VHCT SERIES, OCTAL 1-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | 4.40 MM, PLASTIC, MO-153AC, SOT-360-1, TSSOP-20 |
| 文件頁數(shù)： | 2/20頁 |
| 文件大小： | 88K |
| 代理商： | 935261962118 |
1999 Sep 28
10
Philips Semiconductors
Product specication
Octal bus transceiver; 3-state
74AHC245; 74AHCT245
Type 74AHCT245
GND = 0 V; tr =tf ≤ 3.0 ns.
Note
1. Typical values at VCC = 5.0 V.
SYMBOL
PARAMETER
TEST CONDITIONS
Tamb (°C)
UNIT
WAVEFORMS
CL
25
40 to +85
40 to +125
MIN.
TYP.
MAX.
MIN.
MAX.
MIN.
MAX.
VCC = 4.5 to 5.5 V; note 1
tPHL/tPLH
propagation delay
An to Bn; Bn to An
see Figs 4 and 6
15 pF
3.5
7.7
1.0
8.5
1.0
10.0
ns
tPZL/tPZH
propagation delay
OE to An;
OE to Bn; signal
name DIR
see Figs 5 and 6
5.0
13.8
1.0
15.0
1.0
17.5
ns
tPLZ/tPHZ
propagation delay
OE to An;
OE to Bn; signal
name DIR
5.0
14.4
1.0
15.5
1.0
18.0
ns
tPHL/tPLH
propagation delay
An to Bn; Bn to An
see Figs 4 and 6
50 pF
4.5
8.7
1.0
9.5
1.0
11.0
ns
tPZL/tPZH
propagation delay
OE to An;
OE to Bn; signal
name DIR
see Figs 5 and 6
6.0
14.8
1.0
16.0
1.0
18.5
ns
tPLZ/tPHZ
propagation delay
OE to An;
OE to Bn; signal
name DIR
6.0
15.4
1.0
16.5
1.0
19.5
ns
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