X80120 Datasheet, PDF (4/17 Pages) Intersil Corporation – Voltage Supervisor/Sequencer Dual Programmable Time Delay with Local/Remote Voltage Monitors

X80120, X80121
Electrical Specifications (Programmable Parameters) Over the recommended operating conditions unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
t_SPOR
Delay before RESET assertion
TPOR1 = 0 TPOR0 = 0
Factory Default
90
100
110
ms
TPOR1 = 0 TPOR0 = 1 (Note 3)
450
500
550
ms
TPOR1 = 1 TPOR0 = 0 (Note 3)
0.9
1
1.1
s
TPOR1 = 1 TPOR0 = 1 (Note 3)
4.5
5
5.5
s
t_DELAYi
Time Delay used in Power Sequencing
(i = 1, 4)
TiD1 = 0 TiD0 = 0
Factory Default
90
100
110
ms
TiD1 = 0 TiD0 = 1
(Note 3)
450
500
550
ms
TiD1 = 1 TiD0 = 0
(Note 3)
0.9
1
1.1
s
TiD1 = 1 TiD0 = 1
(Note 3)
4.5
5
5.5
s
Equivalent A.C. Output Load Circuit
5V
5V
5V
SDA
4.6kΩ
30pF
RESET
4.6kΩ
30pF
V1GDO,
V4GDO
4.6kΩ
30pF
A.C. Test Conditions
Input pulse levels
Input rise and fall times
Input and output timing levels
Output load
V_CC x 0.1 to V_CC x 0.9
10ns
V_CC x 0.5
Standard output load
V_CC
Initial
Power-up
V_TRIPi
ViMON
ViGDO
t_DPOR
t_DELAYi
t_TO
FIGURE 1. INITIAL POWER UP TIMING
t_DELAYi
i = 1, 4
4
FN8151.0
January 20, 2005