参数资料
型号: BU4028B
厂商: Rohm Semiconductor
文件页数: 17/17页
文件大小: 0K
描述: IC DECODER BCD-TO-DECIMAL DIP16
标准包装: 1,000
系列: 4000B
类型: 解码器
电路: 1 x 4:10
独立电路: 1
输出电流高,低: 1.2mA,3mA
电压电源: 双电源
电源电压: 3 V ~ 16 V
工作温度: -40°C ~ 85°C
安装类型: 通孔
封装/外壳: 16-DIP(0.300",7.62mm)
供应商设备封装: 16-DIP
包装: 管件
Technical Note
BU4015B,BU4015BF,BU4021B,BU4021BF,
BU4094BC,BU4094BCF,BU4094BCFV,BU4538B,BU4028B
9/17
www.rohm.com
2009.06 - Rev.A
2009 ROHM Co., Ltd. All rights reserved.
●Electrical Characteristics Curves(BU4021B)
0
20
40
60
80
100
120
140
160
180
200
-50
-25
0
25
50
75
100
Ambient Temperature [℃]
Ho
ld
Time
(CL
K
DA
TA
)[n
s]
0
100
200
300
400
500
600
700
800
-50
-25
0
25
50
75
100
Ambient Temperature [℃]
Pr
opagati
on
D
e
la
y
Ti
m
e
(
C
LK
QS)
[ns]
0
100
200
300
400
500
600
700
800
-50
-25
0
25
50
75
100
Ambient Temperature [℃]
Pr
opagati
on
D
e
la
y
Ti
m
e
(
P
/S
QS)
[ns]
0
100
200
300
400
500
600
700
800
-50
-25
0
25
50
75
100
Ambient Temperature [℃]
Pr
opagati
on
D
e
la
y
Ti
m
e
(
P
/S
QS)
[ns]
0
25
50
75
100
125
150
175
200
-50
-25
0
25
50
75
100
Ambient Temperature [
℃]
Setup
Ti
m
e
(
D
ATA
CLK)
[ns]
0
20
40
60
80
100
120
140
160
180
200
-50
-25
0
25
50
75
100
Ambient Temperature [
℃]
Ho
ld
Time
(CL
K
DA
TA
)[n
s]
0
20
40
60
80
100
120
140
160
180
200
-50
-25
0
25
50
75
100
Ambient Temperature [℃]
M
ini
m
u
m
C
L
K
Pul
s
e
W
idth
[ns]
0
100
200
300
400
500
600
700
800
-50
-25
0
25
50
75
100
Ambient Temperature [℃]
Pr
opagati
on
D
e
la
y
Ti
m
e
(
C
LK
QS)
[ns]
0
10
20
30
40
50
0
5
10
15
20
Output Voltage [V]
Output
Sour
ce
C
u
rr
ent
[m
A]
0
10
20
30
40
50
0
5
10
15
20
Output Voltage [V]
Output
Si
nk
C
u
rr
ent
[m
A]
Fig.16 Propagation delay tPHL
P/S→QS
Fig.13 Propagation delay tPLH
CLK→QS
Fig.17 Set up time tsu
Q→CLK
Fig.18 Hold time th
CLK→Q
Fig.19 Minimum CLK
pulse width
Fig.14 Propagation delay tPHL
CLK→QS
Fig.15 Propagation delay tPLH
P/S→QS
VDD=3[V]
VDD=5[V]
VDD=10[V]
VDD=16[V]
VDD=10[V]
VDD=3[V]
VDD=5[V]
VDD=16[V]
VDD=10[V]
Fig.12 Output sink
current-voltage
Fig.11 Output source
current-voltage
VDD=5[V]
VDD=16[V]
VDD=10[V]
Fig.20 Minimum P/S
pulse width
VDD=3[V]
VDD=5[V]
VDD=16[V]
VDD=10[V]
VDD=3[V]
VDD=5[V]
VDD=16[V]
VDD=10[V]
VDD=3[V]
VDD=5[V]
VDD=10[V]
VDD=16[V]
25[℃]
85[℃]
-40[℃]
25[℃]
85[℃]
-40[℃]
25[℃]
85[℃]
-40[℃]
25[℃]
85[℃]
-40[℃]
25[℃]
85[℃]
-40[℃]
25[℃]
85[℃]
[BU4021B/F]
○Switching characteristics
VDD=10[V]
VDD=15[V]
VDD=5[V]
VDD=10[V]
VDD=15[V]
VDD=5[V]
90%
50%
10%
20[ns]
90%
50%
10%
tsu
CLOCK
or
P/S
tf
90%
50%
10%
tPLH
tPHL
tTLH
tTHL
OUTPUT
tW
tr
th
VDD
GND(VSS)
VDD
GND(VSS)
VOH
VOL
Parallel Data
or
Serial Data
Operating Temperature Range
[BU4021B/F]
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