Part numbering SR1
18/21 DocID026048 Rev 2
11 Part numbering
Table 6. Ordering information scheme
Example: SR1 H A R U
Device type
SR1
Smart Reset setup delay (t
SRC
)
(1)
1. Smart Reset delay (t
SRC
) is available from 0.5 s to 10 s in 0.5 s steps (typ.). Minimum order quantities may
apply. Contact local sales office for availability.
C = factory programmable t
SRC
= 1.5 s (typ.)
H = factory programmable t
SRC
= 4.0 s (typ.)
L = factory programmable t
SRC
= 6.0 s (typ.)
P = factory programmable t
SRC
= 7.5 s (typ.)
U = factory programmable t
SRC
= 10.0 s (typ.)
Inputs, outputs type
(2)
2. Push-pull reset output type also available (active low or active high). SR input and open drain reset output
available with optional pull-up resistor. Minimum order quantities may apply. Contact local sales office for
availability.
A = active low SR input with no pull-up,
active low open drain RST
output with no pull-up
B = active low SR input with pull-up,
active low open drain RST
output with no pull-up
Reset timeout period (t
REC
)
A = factory programmable t
REC
= 210 ms (typ.)
B = factory programmable t
REC
= 360 ms (typ.)
R = push-button controlled (no defined t
REC
)
Package
U = UDFN-6L
