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參數(shù)資料
| 型號： | HC646 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Octal bus transceiver/register; 3-state |
| 中文描述： | 八路總線收發(fā)器/冊;三態(tài) |
| 文件頁數(shù)： | 12/12頁 |
| 文件大小： | 91K |
| 代理商： | HC646 |
September 1993
9
Philips Semiconductors
Product specication
Octal bus transceiver/register; 3-state
74HC/HCT646
AC WAVEFORMS
Fig.6 Waveforms showing the input An, Bn to output Bn, An propagation delays and the output transition times.
(1)
HC : VM = 50%; VI = GND to VCC.
HCT: VM = 1.3 V; VI = GND to 3 V.
Fig.7
Waveforms showing the An,Bn to CPAB, CPBA set-up and hold times, clock CPAB,CPBA pulse width,
maximum clock pulse frequency and the CPAB,CPBA to output Bn,An propagation delays.
(1)
HC : VM = 50%; VI = GND to VCC.
HCT: VM = 1.3 V; VI = GND to 3 V.
Fig.8 Waveforms showing the input SAB,SBA to output Bn,An propagation delays and output transition times.
(1)
HC : VM = 50%; VI = GND to VCC.
HCT: VM = 1.3 V; VI = GND to 3 V.
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