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BA235

Description
CR timer
Categorylogic    logic   
File Size54KB,6 Pages
ManufacturerROHM Semiconductor
Websitehttps://www.rohm.com/
Environmental Compliance
Download Datasheet Parametric Compare View All

BA235 Overview

CR timer

BA235 Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerROHM Semiconductor
Parts packaging codeSIP
package instructionSIP,
Contacts9
Reach Compliance Codeunknow
seriesTTL/H/L
JESD-30 codeR-PSIP-T9
length21.8 mm
Logic integrated circuit typeMONOSTABLE MULTIVIBRATOR
Number of data/clock inputs1
Number of functions2
Number of terminals9
Maximum operating temperature75 °C
Minimum operating temperature-20 °C
Output polarityTRUE
Package body materialPLASTIC/EPOXY
encapsulated codeSIP
Package shapeRECTANGULAR
Package formIN-LINE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
Maximum seat height7.2 mm
Maximum supply voltage (Vsup)16 V
Minimum supply voltage (Vsup)4 V
Nominal supply voltage (Vsup)5 V
surface mountNO
technologyTTL
Temperature levelCOMMERCIAL EXTENDED
Terminal formTHROUGH-HOLE
Terminal pitch2.54 mm
Terminal locationSINGLE
Maximum time at peak reflow temperatureNOT SPECIFIED
width2.8 mm
Standard ICs
CR timer
BA225 / BA225F / BA235 / BA226 / BA226F / BA236
The BA225, BA225F, BA235, BA226, BA226F, and BA236 are monolithic ICs having independent monostable multi-
vibrator circuits which consume very low current (0.75mA typ.). Using external resistors and capacitors, the timing
control time can be set within a range from 0.01ms to 100ms.
As the BA225, BA225F, and BA235 are triggered at the rising edge of the signal, they have no trigger input differenti-
ating circuit and can be used in measuring instruments, control devices, digital data systems and other equipment as
sub-compact attachments. The BA226, BA226F, and BA236 are available as falling edge trigger types.
Applications
Delay timers
Monostable multivibrator (ideal for VCR system con-
trollers)
Pulse generators
Features are edge trigger types (BA225 / BA235: ris-
1) As these
ing edge trigger types, BA226 / BA236: falling edge
trigger types), there is no need for an input differenti-
ating circuit.
2) The dual type design enables delay timer configura-
tion.
3) Fewer attachments are required.
4) Current dissipation is as low as 0.75mA for each cir-
cuit.
5) Uniformity in the supply current between high and
low output states simplifies the design of the power
supply section.
6) Wide operating power supply voltage range of 4.0V
to 16V.
7) The BA235 and BA236 pin assignments are sym-
metrical, allowing reverse insertion.
8) Hysteresis in the input results in a high level of noise
withstand resistance.
Block diagram
BA225 / BA225F
BA226 / BA226F
BA235 / BA236
OUT1
1
O
8
V
CC
CR1
2
CR
O
T
7
OUT2
O
CR
V
CC
T
GND
T
CR
O
TRIGGER1
3
CR
T
6
CR2
V
CC
1
2
OUT1
3
CR1
4
TRIGGER1
5
GND
6
TRIGGER2
7
CR2
8
OUT2
9
V
CC
GND
4
5
TRIGGER2
V
CC
1

BA235 Related Products

BA235 BA225 BA225F BA226 BA236 BA226F
Description CR timer CR timer CR timer CR timer CR timer CR timer
Is it Rohs certified? conform to conform to conform to conform to conform to conform to
Maker ROHM Semiconductor ROHM Semiconductor ROHM Semiconductor ROHM Semiconductor ROHM Semiconductor ROHM Semiconductor
Parts packaging code SIP DIP SOIC DIP SIP SOIC
package instruction SIP, DIP, LSOP, DIP, SIP, LSOP,
Contacts 9 8 8 8 9 8
Reach Compliance Code unknow unknow unknow unknow unknow unknown
series TTL/H/L TTL/H/L TTL/H/L TTL/H/L TTL/H/L TTL/H/L
JESD-30 code R-PSIP-T9 R-PDIP-T8 R-PDSO-G8 R-PDIP-T8 R-PSIP-T9 R-PDSO-G8
length 21.8 mm 9.3 mm 5 mm 9.3 mm 21.8 mm 5 mm
Logic integrated circuit type MONOSTABLE MULTIVIBRATOR MONOSTABLE MULTIVIBRATOR MONOSTABLE MULTIVIBRATOR MONOSTABLE MULTIVIBRATOR MONOSTABLE MULTIVIBRATOR MONOSTABLE MULTIVIBRATOR
Number of data/clock inputs 1 1 1 1 1 1
Number of functions 2 2 2 2 2 2
Number of terminals 9 8 8 8 9 8
Maximum operating temperature 75 °C 75 °C 75 °C 75 °C 75 °C 75 °C
Minimum operating temperature -20 °C -20 °C -20 °C -20 °C -20 °C -20 °C
Output polarity TRUE TRUE TRUE TRUE TRUE TRUE
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code SIP DIP LSOP DIP SIP LSOP
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form IN-LINE IN-LINE SMALL OUTLINE, LOW PROFILE IN-LINE IN-LINE SMALL OUTLINE, LOW PROFILE
Peak Reflow Temperature (Celsius) NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 7.2 mm 3.7 mm 1.6 mm 3.7 mm 7.2 mm 1.6 mm
Maximum supply voltage (Vsup) 16 V 16 V 16 V 16 V 16 V 16 V
Minimum supply voltage (Vsup) 4 V 4 V 4 V 4 V 4 V 4 V
Nominal supply voltage (Vsup) 5 V 5 V 5 V 5 V 5 V 5 V
surface mount NO NO YES NO NO YES
technology TTL TTL TTL TTL TTL TTL
Temperature level COMMERCIAL EXTENDED COMMERCIAL EXTENDED COMMERCIAL EXTENDED COMMERCIAL EXTENDED COMMERCIAL EXTENDED COMMERCIAL EXTENDED
Terminal form THROUGH-HOLE THROUGH-HOLE GULL WING THROUGH-HOLE THROUGH-HOLE GULL WING
Terminal pitch 2.54 mm 2.54 mm 1.27 mm 2.54 mm 2.54 mm 1.27 mm
Terminal location SINGLE DUAL DUAL DUAL SINGLE DUAL
Maximum time at peak reflow temperature NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
width 2.8 mm 7.62 mm 4.4 mm 7.62 mm 2.8 mm 4.4 mm
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