BU4021B Rohm Semiconductor, BU4021B Datasheet - Page 11
![IC SHIFT REGISTER 8BIT 16DIP](/photos/6/50/65037/16-dip_dip16_pkg_sml.jpg)
BU4021B
Manufacturer Part Number
BU4021B
Description
IC SHIFT REGISTER 8BIT 16DIP
Manufacturer
Rohm Semiconductor
Series
4000Br
Specifications of BU4021B
Logic Type
Shift Register
Output Type
Standard
Number Of Elements
1
Number Of Bits Per Element
8
Function
Parallel or Serial to Serial
Voltage - Supply
3 V ~ 16 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Through Hole
Package / Case
16-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
BU4021BF
Manufacturer:
MAXIM
Quantity:
118
Part Number:
BU4021BF
Manufacturer:
ROHM/罗姆
Quantity:
20 000
Part Number:
BU4021BF-T1
Manufacturer:
ROHM/罗姆
Quantity:
20 000
●Electrical Characteristics Curves(BU4538B)
© 2009 ROHM Co., Ltd. All rights reserved.
BU4015B,BU4015BF,BU4021B,BU4021BF,
BU4094BC,BU4094BCF,BU4094BCFV,BU4538B,BU4028B
www.rohm.com
○ Switching Characteristics
Fig.38 Output pulse width tWOUT1
1000
800
700
600
500
400
300
200
100
-1
-2
-3
-4
-5
5
4
3
2
1
0
800
600
400
200
-50
0
Fig.35 Propagation delay tPLH
0
-50
Fig.32 Propagation delay tPLH
(CX=2000[pF],RX=100[kΩ])
-50
VDD=3[V]
VDD=5[V]
-25
VDD=10[V]
-25
-25
Ambient Temperature [℃]
Operating Temperature Range
Ambient Temperature [ ℃ ]
Operating Temperature Range
Ambient Temperature [ ℃ ]
Operating Voltage Range
0
0
CD
0
VDD=16[V]
A
B
Q
Q
CD→Q
A→Q
25
25
25
50%
50
tPLH
50
50
VDD=10[V]
VDD=16[V]
VDD=10[V]
VDD=16[V]
VDD=3[V]
VDD=5[V]
VDD=3[V]
VDD=5[V]
tPLH
50%
50%
tWOUT
[BU4538B]
[BU4538B]
[BU4538B]
75
75
75
100
100
100
50%
tPLH
tPLH
50%
50%
90%
Fig.39 Output pulse width tWOUT2
1000
200
180
160
140
120
100
Fig.36 Minimum input pulse width
-1
-2
-3
-4
-5
10%
5
4
3
2
1
0
800
600
400
200
80
60
40
20
tTHL
0
-50
10%
0
-50
Fig.33 Propagation delay tPHL
50%
-50
90%
(CX=0.1[μF],RX=100[kΩ])
VDD=16[V]
-25
-25
20[ns]
tTLH
-25
Ambient Temperature [℃]
10%
Operating Temperature Range
Ambient Temperature [ ℃ ]
VDD=10[V]
Operating Temperature Range
90%
Ambient Temperature [ ℃ ]
Operating Voltage Range
50%
90%
0
tPLH
11/17
0
0
tWIN
20[ns]
A→Q
10%
25
90%
25
tPHL
25
50%
50%
10%
VDD=3[V]
VDD=5[V]
50
50
50
VDD=10[V]
VDD=16[V]
VDD=10[V]
VDD=16[V]
VDD=5[V]
VDD=3[V]
VDD=3[V]
VDD=5[V]
10%
[BU4538B]
[BU4538B]
[BU4538B]
90%
75
75
75
20[ns]
20[ns]
20[ns]
100
100
100
10%
50%
90%
20[ns]
Fig.37 Minimum RESET pulse width
trr
800
700
600
500
400
300
200
100
200
180
160
140
120
100
80
60
40
20
0
0
-50
-50
Fig.34 Propagation delay tPHL
-25
-25
Operating Temperature Range
Operating Temperature Range
Ambient Temperature [ ℃ ]
Ambient Temperature [℃]
tRESET
0
0
CD→Q
Technical Note
2009.06 - Rev.A
25
25
VDD=5[V]
50
50
VDD=10[V]
VDD=16[V]
VDD=10[V]
VDD=16[V]
VDD=3[V]
VDD=3[V]
VDD=5[V]
[BU4538B]
[BU4538B]
75
75
100
100