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參數(shù)資料
| 型號： | 74F323SC |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Octal Universal Shift/Storage Register with Synchronous Reset and Common I/O Pins |
| 中文描述： | F/FAST SERIES, 8-BIT BIDIRECTIONAL PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, PDSO20 |
| 封裝： | 0.300 INCH, MS-013, SOIC-20 |
| 文件頁數(shù)： | 7/7頁 |
| 文件大?。?/td> | 73K |
| 代理商： | 74F323SC |
Philips Semiconductors
Product specification
74F323
8-bit universal shift/storage register with synchronous
reset and common I/O pins (3-State)
1990 Mar 01
7
AC WAVEFORMS
For all waveforms, V
M
= 1.5V
The shaded areas indicate when the input is permitted to change for predictable output performance.
t
PLH
t
PHL
V
M
V
M
V
M
V
M
1/f
MAX
t
W
(L)
CP
Q0, Q7, I/On
t
W
(H)
SF00884
Waveform 1. Propagation Delay, Clock Input to Output,
Clock Pulse Width, and Maximum Clock Frequency
V
M
V
M
V
M
V
M
V
M
V
M
S0, S1,
DS
, DS
R
,
I/On, SR
CP
SF00885
t
s
(H)
t
h
(H)
t
h
(L)
t
s
(L)
Waveform 2. Data, Select and Reset Setup and Hold Times
V
M
V
M
V
M
t
PHZ
t
PZH
Sn, OEn
I/On
V
OH
-0.3V
0V
SF00886
Waveform 3. 3-State Output Enable Time to High Level
and Output Disable Time from High Level
V
M
V
M
V
M
t
PLZ
t
PZL
Sn, OEn
I/On
V
OL
+0.3V
SF00887
Waveform 4. 3-State Output Enable Time to Low Level and
Output Disable Time from Low Level
TEST CIRCUIT AND WAVEFORM
t
w
90%
V
M
10%
90%
V
M
10%
90%
V
M
10%
90%
V
M
10%
NEGATIVE
PULSE
POSITIVE
PULSE
t
w
AMP (V)
0V
0V
t
THL (
t
f
)
INPUT PULSE REQUIREMENTS
rep. rate
t
w
t
TLH
t
THL
1MHz
500ns
2.5ns
2.5ns
Input Pulse Definition
V
CC
family
74F
D.U.T.
PULSE
GENERATOR
R
L
C
L
R
T
V
IN
V
OUT
Test Circuit for 3-State Outputs
DEFINITIONS:
R
L
=
Load resistor;
see AC electrical characteristics for value.
Load capacitance includes jig and probe capacitance;
see AC electrical characteristics for value.
Termination resistance should be equal to Z
OUT
of
pulse generators.
C
L
=
R
T
=
t
THL (
t
f
)
t
TLH (
t
r
)
t
TLH (
t
r
)
AMP (V)
amplitude
3.0V
1.5V
V
M
R
L
7.0V
SF00777
TEST
t
PLZ
t
PZL
All other
SWITCH
closed
closed
open
SWITCH POSITION
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