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參數(shù)資料
| 型號(hào)： | 74ALS646-1 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Octal transceiver/register, non-inverting (3-State)(八通道收發(fā)器/寄存器，同相（三態(tài)）) |
| 中文描述： | 八路收發(fā)器/寄存器，非反相（3態(tài)）（八通道收發(fā)器/寄存器，同相（三態(tài)）） |
| 文件頁數(shù)： | 8/13頁 |
| 文件大?。?/td> | 155K |
| 代理商： | 74ALS646-1 |
Philips Semiconductors
Product specification
74ALS646/74ALS646-1
74ALS648/74ALS648-1
Transceiver/register
1991 Feb 08
8
AC ELECTRICAL CHARACTERISTICS FOR 74ALS648/74ALS648-1
LIMITS
SYMBOL
PARAMETER
TEST CONDITION
T
amb
= 0
°
C to +70
°
C
V
= +5.0V
±
10%
C
L
= 50pF, R
L
= 500
UNIT
MIN
MAX
f
max
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
t
PZH
t
PZL
t
PHZ
t
PLZ
Maximum clock frequency
Waveform 1
100
MHz
Propagation delay
CPBA to An, CPAB to Bn
Waveform 1
5.0
6.0
13.0
13.0
ns
Propagation delay
An to Bn or Bn to An
Waveform 2, 3
1.0
3.0
7.0
9.0
ns
Propagation delay
SBA to An or SAB to Bn (A or B Low)
Waveform 2, 3
5.0
5.0
13.0
11.0
ns
Propagation delay
SBA to An or SAB to Bn (A or B High)
Waveform 2, 3
4.0
5.0
11.0
11.0
ns
Output enable time
OE to An or Bn
Waveform 5
Waveform 6
2.0
4.0
8.0
13.0
ns
Output disable time
OE to An or Bn
Waveform 5
Waveform 6
1.0
2.0
8.0
10.0
ns
Output enable time
DIR to An or Bn
Waveform 5
Waveform 6
3.0
5.0
10.0
12.0
ns
Output disable time
DIR to An or Bn
Waveform 5
Waveform 6
2.0
2.0
11.0
11.0
ns
AC SETUP REQUIREMENTS
LIMITS
SYMBOL
PARAMETER
TEST CONDITION
T
amb
= 0
°
C to +70
°
C
V
= +5.0V
±
10%
C
L
= 50pF, R
L
= 500
UNIT
t
su
(H)
t
su
(L)
t
h
(H)
t
h
(L)
t
w
(H)
t
w
(L)
Setup time, High or Low
An or Bn to CPAB or CPBA
Waveform 4
5.0
5.0
ns
Hold time, High or Low
An or Bn to CPAB or CPBA
Waveform 4
0.0
1.0
ns
Pulse width, High or Low
CPAB or CPBA
Waveform 1
6.0
4.0
ns
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74ALS646 | Transceiver/register |
| 74ALS646-1D | Transceiver/register |
| 74ALS646-1N | Transceiver/register |
| 74ALS646D | Transceiver/register |
| 74ALS646N | Transceiver/register |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74ALS646-1D | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Transceiver/register |
| 74ALS646-1N | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Transceiver/register |
| 74ALS646D | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Transceiver/register |
| 74ALS646FN | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 74ALS646N | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Transceiver/register |
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