BU4021B Rohm Semiconductor, BU4021B Datasheet - Page 11

• 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

●Electrical Characteristics Curves(BU4538B)
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○ 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