SAA1305T Datasheet, PDF (22/32 Pages) Panasonic Semiconductor – On/off logic IC

Philips Semiconductors
On/off logic IC
Product specification
SAA1305T
handbook, full pagewidth ^SAA1305T
input D0 = LOW
250 ms
1 ms
250 ms
1 ms
microcontroller
main supply
POWER-OFF
TS = LOW
ON/OFF = LOW
RP = HIGH
CHI = LOW
ON/OFF = HIGH
RP = LOW
I²C-bus read status register
CHI = HIGH
TS = LOW
ON/OFF = LOW
RP = HIGH
sequence runs untill signal input D0 = HIGH
CHI = LOW
ON/OFF = HIGH
RP = LOW
MGR210
Fig.16 V_L timer behaviour (voltage drops >250 ms).
handbook, full pagewidth ^SAA1305T
microcontroller
input D0 = LOW
TS = LOW
t < 250 ms
input D0 = HIGH
ON/OFF = LOW
RP = HIGH
1 ms
CHI = LOW
ON/OFF = HIGH
RP = LOW
I²C-bus read status/old/new register
CHI = HIGH
250 ms
250 ms
WD = LOW
WD = HIGH
WD = LOW
POWER-OFF
POWER-ON
2004 Jan 15
Fig.17 V_L timer behaviour (voltage drops <250 ms).
22
main supply
MGR211