
Preliminary Information
PSD4000 Series
-90
-12
Symbol
Parameter
Conditions
Min
Max
Min
Max
Unit
t
LVDV
ALE Access Time from
Power Down
128
135
ns
Maximum Delay from APD Enable
to Internal PDN Valid Signal
t
CLWH
Using CLKIN Input
15
*
t
CLCL
(μs) (Note 1)
μs
Power Down Timing
(3.0 V to 3.6 V Versions)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
t
NLNH
Warm RESET Active Low Time (Note 1)
300
ns
t
OPR
RESET High to Operational Device
300
ns
t
NLNH-PO
Power On Reset Active Low Time
1
ms
Warm RESETActive Low Time
(Note 2)
t
NLNH-A
25
μs
Reset Pin Timing
(3.0 V to 3.6 V Versions)
NOTE:
1. t
CLCL
is the CLKIN clock period.
Microcontroller Interface – PSD4000 AC/DC Parameters
(3.0 V to 3.6 V Versions)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
t
BVBH
VstbyDetection to VstbyonOutput
High
(Note 1)
20
μs
t
BXBL
VstbyOff Detection to Vstbyon
Output Low
(Note 1)
20
μs
V
stbyon
Timing
(3.0 V to 3.6 V Versions)
NOTE:
1. RESET will not abort Flash programming/erase cycles.
2. RESET will abort Flash programming or erase cycle.
NOTE:
1. Vstbyon is measured at V
CC
ramp rate of 2 ms.
77