IN1705D
Dynamic parameters
UСС= from 4,5 to 5,5V, ТA = from -40° to+85°С
Parameter
Name
Norm
not more
Unit
symbol
not less
tTD
tPDLY
Guard timer reflow time
1,0
-
2,2
250
s
ns
Setting time for reset by PBRST
signal
tRST
tRPD
tRPU
tIPD
tPB
130
-
130
Reset hold-in time by PBRST signal
Setting time for reset by UСС
285
8,0
285
8,0
-
ms
mks
ms
mks
ns
Hold-in time for reset by UСС
Interrupt setting time for IN input
Key press duration
-
150
(PBRST= UIL)
Strobe pulse width
tST
10
-
ns
Time diagrammes
tPB
______
PBRST
tPDLY
UIH
UIL
tRST
____
RST
UOH
Fig.1 - Time diagramme of generation guard timer state signal.
Undefined strobe
Unreal strobe
___
ST
Real strobe
MAX.
t ST
t TD
____
WDS
Key initiated reset
___
RST
Fig.2 - Time diagramme of generation guard timer state signal (strobed input)
4
INTEGRAL [ INTEGRAL CORP. ]
