Epson RX8130CE - Page 15

9. Electrical Characteristics
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ETM50E-07 Seiko Epson Corporation 14
9.2.3. AC characteristics(3)
Table 9 AC Characteristics (Reset)
Item
symbol
Min.
Typ.
Max.
unit
Reset internal delay time
tDELAY
60
ms
Reset delay time
(Initial power ON)
tDELAY_F
250
(t_str + tDELAY)
ms
VDD
/RST
tDELAY
+VDET11
+VDET12
t_str
tDELAYF
* t_str is oscillation startup time. See "Table4".
Figure 10 Reset signal timing chart (Power Initial Supply)
Table 10 Reset timing
Item
symbol
Min.
Typ.
Max.
unit
Voltage detection time to reset
release.
t_int
35
ms
Reset delay time
(Recovery from Backup)
t_int + t_DELAY
tDELAY_B
60
95
ms
VDD
/RST
tDELAY
+VDET11 or +VDET12
t_Init
tDELAY_B
+VDET2
t_int is an intermittence drive timing of a VDET2 detect circuit. Maximum value is 35 ms.
Figure 11 Reset signal timing chart ( Backup resume )