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参数资料
| 型号： | 74FCT273LCQR |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 通用总线功能 |
| 英文描述： | Octal D Flip-Flop |
| 中文描述： | FCT SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, CQCC20 |
| 封装： | CERAMIC, LCC-20 |
| 文件页数： | 5/8页 |
| 文件大小： | 168K |
| 代理商： | 74FCT273LCQR |
AC Electrical Characteristics
54FCT/74FCT
74FCT
54FCT
T
A
e a
25
§
C
V
CC
e
5.0V
T
A
, V
CC
e
Com
R
L
e
500
X
C
L
e
50 pF
T
A
, V
CC
e
Mil
R
L
e
500
X
C
L
e
50 pF
Symbol
Parameter
Units
Typ
Min
Max
Min
Max
t
PHL
t
PLH
Propagation Delay
Clock to Output
7.0
2.0
13.0
1.5
9.5
ns
t
PLH
t
PHL
Propagation Delay
MR to Output
8.0
2.0
13.0
1.5
10.5
ns
t
SU
Setup Time HIGH
or LOW Data to CP
1.5
3.0
3.5
ns
t
h
Hold Time HIGH
or LOW Data to CP
1.0
2.0
2.0
ns
t
w
Clock Pulse Width
HIGH or LOW
4.0
7.0
5.0
ns
t
w
MR Pulse Width
HIGH or LOW
4.0
7.0
5.0
ns
t
rec
Recovery Time
MR to CP
3.0
4.0
4.0
ns
f
max
Maximum Clock Frequency
90
MHz
Note 1:
Minimum limits are guaranteed but not tested on Propagation Delays.
Capacitance
T
A
e
25
§
C, f
e
1.0 MHz
Symbol
Parameter
Conditions
Typ
Max
Unit
C
IN
Input Capacitance
V
IN
e
0V
6
10
pF
C
OUT
Output Capacitance
V
OUT
e
0V
8
12
pF
Note:
This parameter is guaranteed by characterization data and not tested.
Ordering Information
The device number is used to form part of a simplified purchasing code where the package type and temperature range are
defined as follows:
74FCT
273
P
C
QR
Temperature Range Family
74FCT
e
Commercial TTL-Compatible
54FCT
e
Military TTL-Compatible
Special Variations
X
e
Devices shipped in 13
×
reels
QR
e
Commercial grade device with
burn-in
QB
e
Military grade with
environmental and burn-in
processing shipped in tubes.
Device Type
Package Code
P
e
Plastic DIP
D
e
Ceramic DIP
F
e
Flatpak
L
e
Leadless Ceramic Chip Carrier (LCC)
S
e
Small Outline (SOIC)
Temperature Range
C
e
Commercial (0
§
C to
a
70
§
C)
M
e
Military (
b
55
§
C to
a
125
§
C)
5
相关PDF资料 |
PDF描述 |
|---|---|
| 74FCT273LCX | Octal D Flip-Flop |
| 74FCT273PCX | Legend Plate |
| 74FCT273PMX | Octal D Flip-Flop |
| 74FCT273SCQB | Octal D Flip-Flop |
| 74FCT273SCQR | Octal D Flip-Flop |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 74FCT273LCX | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Octal D Flip-Flop |
| 74FCT273LMQB | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Octal D Flip-Flop |
| 74FCT273LMQR | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Octal D Flip-Flop |
| 74FCT273LMX | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Octal D Flip-Flop |
| 74FCT273PC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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