EM773FHN33 NXP Semiconductors, EM773FHN33 Datasheet - Page 33

• Manufacturer Part Number: EM773FHN33
• Description: The EM773 is an ARM Cortex-M0 based, low-cost 32-bit energy metering IC, designed for 8/16-bit smart metering applications
• Manufacturer: NXP Semiconductors

NXP Semiconductors
10. Dynamic characteristics
EM773
Product data sheet
10.1 Power-up ramp conditions
10.2 Flash memory
Table 7.
T
[1]
[2]
Table 8.
T
[1]
[2]
Symbol Parameter
t
t
V
Symbol
N
t
t
t
r
wait
ret
er
prog
amb
amb
Fig 16. Power-up ramp
I
endu
See
The wait time specifies the time the power supply must be at levels below 400 mV before ramping up.
Number of program/erase cycles.
Programming times are given for writing 256 bytes from RAM to the flash. Data must be written to the flash
in blocks of 256 bytes.
= 40 C to +85 C.
= 40 C to +85 C, unless otherwise specified.
Figure
Condition: 0 < V
rise time
wait time
input voltage
Power-up characteristics
Flash characteristics
Parameter
endurance
retention time
erase time
programming
time
16.
All information provided in this document is subject to legal disclaimers.
I
 400 mV at start of power-up (t = t
Rev. 2 — 3 January 2012
400 mV
Conditions
at t = t
at t = t
V
DD
0
Conditions
powered
unpowered
sector or multiple
consecutive
sectors
1
1
: 0 < V
on pin V
I
 400 mV
DD
t = t
1
[1]
[2]
1
)
Min
10000
10
20
95
0.95
t
wait
[1][2]
t
r
[1]
002aag001
Min
0
12
0
Typ
100000
-
-
100
1
Typ
-
-
-
Energy metering IC
© NXP B.V. 2012. All rights reserved.
Max
500
-
400
Max
-
-
-
105
1.05
EM773
33 of 51
Unit
ms
s
mV
Unit
cycles
years
years
ms
ms