AT88SA10HS-TSU-T 데이터 시트보기 (PDF) - Atmel Corporation

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AT88SA10HS-TSU-T

Atmel CryptoAuthentication Host Security Chip

Atmel Corporation 

3. Absolute Maximum Ratings*

Operating temperature..................−40° C to +85° C

Storage temperature .................−65° C to + 150° C

Voltage on any pin

with respect to ground ................− 0.5 to VCC+0.5 V

*NOTICE:

Stresses beyond those listed under “Absolute Maximum

Ratings” may cause permanent damage to the device.

This is a stress rating only and functional operation of

the device at these or any other condition beyond those

indicated in the operational sections of this specification

is not implied. Exposure to absolute maximum rating

conditions for extended periods of time may affect

device reliability.

4. AC Parameters

Table 4-1. AC Parameters

Parameter

Wake low

duration

Wake delay to

data comm.

Symbol

t WLO

t WHI

Direction

Min Typ

To AT88SA10HS 60

To AT88SA10HS 2.5

Start pulse

duration

t START

Zero

t ZHI

transmission

high pulse

Zero

t ZLO

transmission low

pulse

Bit time‡

t BIT

To AT88SA10HS 4.1 4.34

From

AT88SA10HS

4.6

6.0

To AT88SA10HS 4.1 4.34

From

AT88SA10HS

4.6

6.0

To AT88SA10HS 4.1 4.34

From

AT88SA10HS

4.6

6.0

To AT88SA10HS 37

39

Turn around

delay

t TURNAROUND

From

AT88SA10HS

From

AT88SA10HS

41

54

28

60

To AT88SA10HS 15µs

High side glitch t HIGNORE_A

filter @ active

To AT88SA10HS 45

Low side glitch

filter @ active

t LIGNORE_A

To AT88SA10HS 45

Low side glitch

filter @ sleep

t LIGNORE_S

To AT88SA10HS 500

IO Timeout

t TIMEOUT

To AT88SA10HS 45

65

Watchdog reset t WATCHDOG

To AT88SA10HS 3

4

Pause Length t PAUSE

-

18

25

Max

-

45

4.56

8.6

Unit Notes

µs Signal can be stable in either high or low levels

during extended sleep intervals

ms Signal should be stable high for this entire

duration. tWHI must not exceed tTIMEOUT or the chip

will transition to sleep

µs

µs

4.56

µs

8.6

µs

4.56

µs

8.6

µs

-

µs If the bit time exceeds tTIMEOUT then AT88SA10HS

will enter sleep mode and the Wake token must

be resent

78

µs

95

45ms

85

5.7

32

µs AT88SA10HS will initiate the first low going

transition after this time interval following the end

of the Transmit flag

After AT88SA10HS transmits the last bit of a

block, system must wait this interval before

sending the first bit of a flag

ns Pulses shorter than this in width will be ignored by

the chip, regardless of its state when active

ns Pulses shorter than this in width will be ignored by

the chip, regardless of its state when active

ns Pulses shorter than this in width will be ignored by

the chip when in sleep mode

ms See Section 5.4.1

s Max. time from Wake until chip is forced into sleep

mode. See Section 5.5

ms Duration during which the chip will ignore IO on

the bus. See PauseShort command, Section 6.7

Atmel AT88SA10HS [DATASHEET]

6

8595G−CRYPTO−9/11

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