參數(shù)資料
型號: 74F835
廠商: NXP Semiconductors N.V.
英文描述: 8-bit shift register with 2:1 mux-in, latched “B” inputs, and serial out
中文描述: 8位的移位寄存器的2:1多路復用器,在鎖定的“B”的投入,串行輸出,
文件頁數(shù): 6/6頁
文件大小: 61K
代理商: 74F835
Philips Semiconductors
Product specification
74F835
8-bit shift register with 2:1 mux-in,
latched “B” inputs, and serial out
1990 Jan 08
6
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
W
(H)
t
PHL
CP
Q7
V
M
V
M
V
M
V
M
V
M
1/f
MAX
t
W
(L)
t
PLH
SF00287
Waveform 1. Propagation Delay, Clock Input to Output,
Clock Pulse Width, and Maximum Clock Frequency
V
M
V
M
t
h
(H)
t
s
(H)
DS, PE
CP, LE
SF01360
DnA, DnB
SA/B
V
M
V
M
V
M
t
h
(L)
t
s
(L)
V
M
Waveform 2. Data and Select Setup and Hold Times
TEST CIRCUIT AND WAVEFORMS
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
2.5ns
t
THL
2.5ns
1MHz
500ns
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 Totem-Pole 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
SF00006
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