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Número de pieza | BA225 | |
Descripción | (BA2xx) CR Timer | |
Fabricantes | ROHM Semiconductor | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de BA225 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
No Preview Available ! Standard ICs
CBAR22t5im/ BeArh2e2e5tF4U/ B.cAom235 / BA226 / BA226F / BA236The BA225, BA225F, BA235, BA226, BA226F, and BA236 are monolithic ICs having independent monostable multi-
Svibrator circuits which consume very low current (0.75mA typ.). Using external resistors and capacitors, the timing
tacontrol time can be set within a range from 0.01ms to 100ms.
a mAs the BA225, BA225F, and BA235 are triggered at the rising edge of the signal, they have no trigger input differenti-
.Dating circuit and can be used in measuring instruments, control devices, digital data systems and other equipment as
w osub-compact attachments. The BA226, BA226F, and BA236 are available as falling edge trigger types.
• ww .cApplications
Delay timers
UMonostable multivibrator (ideal for VCR system con-
trollers)
t4Pulse generators
• eFeatures
1) As these are edge trigger types (BA225 / BA235: ris-
eing edge trigger types, BA226 / BA236: falling edge
trigger types), there is no need for an input differenti-
hating circuit.
2) The dual type design enables delay timer configura-
Stion.
ta3) 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.
aBlock diagram
• .D mBA225 / BA225F
w .coBA226 / BA226F
BA235 / BA236
w t4UOUT1 1
eeCR1 2
w taShTRIGGER1 3
O
CR
T
www.DaGND 4
8 VCC
O
CR
T
7 OUT2
6 CR2
5 TRIGGER2
VCC
1
OT
CR
234
GND
5
TO
CR
VCC
6789
1
1 page Standard ICs
•Application examples
Trigger input
CR pin
Output
BA225 / BA225F / BA235 / BA226 / BA226F / BA236
Rising edge trigger
T
0.4VCC
Fig. 9 Basic operation timing chart
(Rising edge trigger)
One-shot cycle: T Լ 0.5 CR
Trigger input
CR pin
Output
Falling edge trigger
T
0.4VCC
Fig. 10 Basic operation timing chart
(Falling edge trigger)
One-shot cycle: T Լ 0.5 CR
5
5 Page |
Páginas | Total 6 Páginas | |
PDF Descargar | [ Datasheet BA225.PDF ] |
Número de pieza | Descripción | Fabricantes |
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BA221 | High-speed diode | NXP Semiconductors |
BA222 | Diode (spec sheet) | American Microsemiconductor |
BA222 | CR Timer | ROHM Semiconductor |
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