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ATECC608A Datasheet(PDF) 65 Page - Microchip Technology

Part # ATECC608A
Description  ATECC608A for LoRaWAN™ Data Sheet
PDF  81 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

ATECC608A Datasheet(HTML) 65 Page - Microchip Technology

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Table 8-2. AC Parameters: All I/O Interfaces
Parameter
Sym.
Direction
Min. Typ. Max. Units
Conditions
Power-Up Delay(2)
tPU
To Crypto
Device
100
—
—
µs
Minimum time between VCC > VCC min
prior to start of tWLO.
Wake Low Duration
tWLO
To Crypto
Device
60
—
—
µs
Wake High Delay to
Data Comm
tWHI
To Crypto
Device
1500
—
—
µs
SDA should be stable high for this entire
duration unless polling is implemented.
SelfTest is not enabled at power-up.
Wake High Delay
when SelfTest is
Enabled
tWHIST
To Crypto
Device
20
—
—
ms
SDA should be stable high for this entire
duration unless polling is implemented.
High-Side Glitch
Filter at Active
tHIGNORE_A To Crypto
Device
45(1)
—
—
ns
Pulses shorter than this in width will be
ignored by the device, regardless of its state
when active.
Low-Side Glitch
Filter at Active
tLIGNORE_A To Crypto
Device
45(1)
—
—
ns
Pulses shorter than this in width will be
ignored by the device, regardless of its state
when active.
Low-Side Glitch
Filter at Sleep
tLIGNORE_S To Crypto
Device
15(1)
—
—
µs
Pulses shorter than this in width will be
ignored by the device when in Sleep mode.
Watchdog Time-out
tWATCHDOG To Crypto
Device
0.7
1.3
1.7
s
Time from wake until device is forced into
Sleep mode if Config.ChipMode[2] is 0.
Notes: 
1.
These parameters are characterized, but not production tested.
2.
The power-up delay will be significantly longer if power-on self test is enabled in the Configuration zone.
8.3.1
AC Parameters: I2C Interface
Figure 8-2. I2C Synchronous Data Timing
SCL
SDA IN
SDA OUT
t
F
t
HIGH
t
LOW
t
LOW
t
R
t
AA
t
DH
t
BUF
t
SU.STO
t
SU.DAT
t
HD.DAT
t
HD.STA
t
SU.STA
Table 8-3. AC Characteristics of I2C Interface(2)
Unless otherwise specified, applicable over recommended operating range from TA = -40°C to +85°C, VCC = +2.0V to +5.5V, CL =
1 TTL Gate and 100 pF.
ATECC608A-TNGLoRaWAN
Electrical Characteristics
© 2020 Microchip Technology Inc.
Complete Datasheet
DS40002154B-page 65



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