參數(shù)資料
型號: 933715230112
廠商: NXP SEMICONDUCTORS
元件分類: 計數(shù)移位寄存器
英文描述: HCT SERIES, 4-BIT RIGHT SERIAL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, PDSO16
封裝: SOT-109, SO-16
文件頁數(shù): 6/8頁
文件大?。?/td> 49K
代理商: 933715230112
December 1990
6
Philips Semiconductors
Product specication
Dual 4-bit serial-in/parallel-out shift register
74HC/HCT4015
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see
“74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: standard
ICC category: MSI
Note to HCT types
The value of additional quiescent supply current (
ICC) for a unit load of 1 is given in the family specifications.
To determine
ICC per input, multiply this value by the unit load coefficient shown in the table below.
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; tr =tf = 6 ns; CL = 50 pF
INPUT
UNIT LOAD COEFFICIENT
nD
nMR
nCP
0.30
1.50
SYMBOL
PARAMETER
Tamb (°C)
TEST CONDITIONS
74HCT
UNIT
VCC
(V)
WAVEFORMS
+25
40 to +85
40
to
+125
min.
typ. max. min. max. min. max.
tPHL/ tPLH
propagation delay
nCP to nQn
21
35
44
53
ns
4.5
Fig.6
tPHL
propagation delay
nMR to nQn
18
35
44
53
ns
4.5
Fig.7
tTHL/ tTLH
output transition time
7
15
19
22
ns
4.5
Fig.6
tW
clock pulse width
HIGH or LOW
16
7
20
24
ns
4.5
Fig.6
tW
master reset pulse width
HIGH
16
5
20
24
ns
4.5
Fig.7
trem
removal time
nMR to nCP
20
10
25
30
ns
4.5
Fig.7
tsu
set-up time
nD to nCP
12
4
15
18
ns
4.5
Fig.8
th
hold time
nD to nCP
5
2
5
ns
4.5
Fig.8
fmax
maximum clock pulse
frequency
30
67
24
20
MHz
4.5
Fig.6
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