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參數(shù)資料
| 型號(hào)： | 74F646A |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Octal transceiver/register, inverting(3-State)(八收發(fā)器/寄存器，（反相，三態(tài)）) |
| 中文描述： | 八路收發(fā)器/寄存器，反相（3態(tài)）（八收發(fā)器/寄存器，（反相，三態(tài)）） |
| 文件頁(yè)數(shù)： | 9/16頁(yè) |
| 文件大?。?/td> | 121K |
| 代理商： | 74F646A |
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Philips Semiconductors
Product specification
74F646/A/74F648/A
Transceivers/registers
1990 Sep 25
9
AC ELECTRICAL CHARACTERISTICS FOR 74F648
LIMITS
T
amb
= +25
°
C
V
CC
= +5.0V
C
L
= 50pF, R
L
= 500
MIN
TYP
T
amb
= 0
°
C to +70
°
C
V
CC
= +5.0V
±
10%
C
L
= 50pF, R
L
= 500
MIN
SYMBOL
PARAMETER
TEST CONDITION
UNIT
MAX
MAX
f
max
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PZH
t
PZL
Maximum clock frequency
Waveform 1
100
115
90
MHz
Propagation delay
CPAB or CPBA to An or Bn
Waveform 1
5.0
5.0
7.0
7.5
9.5
9.5
4.5
4.5
11.0
11.0
ns
Propagation delay
An to Bn or Bn to An
Waveform 3
3.0
4.0
6.0
6.0
8.5
8.5
2.5
3.5
9.5
9.5
ns
Propagation delay
SAB or SBA to An or Bn
Waveform 2,3
4.5
4.5
7.0
6.5
8.5
8.5
4.5
4.5
10.5
9.5
ns
Output enable time
OE to An or Bn
Waveform 5
Waveform 6
4.5
6.0
7.0
8.5
10.0
11.0
4.5
5.5
11.0
12.5
ns
t
PZH
t
PZL
Output enable time
DIR to An or Bn
Waveform 5
Waveform 6
4.5
6.0
7.0
8.5
10.0
11.0
4.0
5.5
11.0
12.5
ns
t
PHZ
t
PLZ
Output disable time
OE to An or Bn
Waveform 5
Waveform 6
6.0
6.0
9.0
8.5
11.5
12.0
6.0
6.0
12.5
13.5
ns
t
PHZ
t
PLZ
Output disable time
DIR to An or Bn
Waveform 5
Waveform 6
5.0
5.0
9.0
9.0
12.5
12.5
4.5
5.0
14.0
14.0
ns
AC SETUP REQUIREMENTS FOR 74F648
LIMITS
T
amb
= +25
°
C
V
CC
= +5.0V
C
L
= 50pF, R
L
= 500
MIN
TYP
T
amb
= 0
°
C to +70
°
C
V
CC
= +5.0V
±
10%
C
L
= 50pF, R
L
= 500
MIN
SYMBOL
PARAMETER
TEST CONDITION
UNIT
MAX
MAX
t
su
(H)
t
su
(L)
Setup time, high or low
An or Bn to CPAB or CPBA
Waveform 4
4.0
4.0
5.0
5.0
ns
t
h
(H
)
t
h
(
L
)
t
w
(H)
t
w
(L)
Hold time, high or low
An or Bn to CPAB or CPBA
Waveform 4
0
0
0
0
ns
Pulse width, high or low
CPAB or CPBA
Waveform 1
3.5
6.5
4.0
7.0
ns
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74F648 | Octal transceiver/register, inverting(3-State)(八通道收發(fā)器/寄存器，反向（三態(tài)）) |
| 74F648A | Octal transceiver/register, non-inverting(3-State)(八通道收發(fā)器/寄存器，同向（三態(tài)）) |
| 74F649 | Octal transceiver/register, non-inverting open-collector |
| 74F647 | Octal transceiver/register, non-inverting open-collector |
| 74F64 | 4-2-3-2-input AND-OR-invert gate |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74F646B | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Octal Transceiver/Register with 3-STATE Outputs |
| 74F646BFCQB | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Octal Transceiver/Register with TRI-STATE Outputs |
| 74F646BFCX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Octal Transceiver/Register with TRI-STATE Outputs |
| 74F646BFMQB | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Octal Transceiver/Register with TRI-STATE Outputs |
| 74F646BFMX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Octal Transceiver/Register with TRI-STATE Outputs |
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