Rainbow-electronics MAX16068 Manual de usuario descargar pdf (Pagina 4)

4 ______________________________________________________________________________________

MAX16068

6-Channel, Flash-Configurable System Manager

with Nonvolatile Fault Registers

ELECTRICAL CHARACTERISTICS (continued)

= 2.8V to 14V, T

= T

= -40NC to +85NC, unless otherwise specified. Typical values are at V

ABP

= V

DBP

= V

= 3.3V,

= +25NC.) (Note 2)

Note 2: Specifications are guaranteed for the stated global conditions, unless otherwise noted. 100% production tested at T

+25NC and T

= +85NC. Specifications at T

= -40NC are guaranteed by design.

Note 3: For V

of 3.6V or lower, connect V

, DBP, and ABP together. For higher supply applications, connect only V

to the

supply rail.

Note 4: Applies to RESET (except for a reset timeout period of 25Fs), fault, autoretry, sequence delays, and watchdog timeout.

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

SMBus TIMING

Serial Clock Frequency f

SCL

400 kHz

Bus Free Time Between STOP

and START Condition

BUF

1.3

START Condition Setup Time t

SU:STA

0.6

START Condition Hold Time t

HD:STA

0.6

STOP Condition Setup Time t

SU:STO

0.6

Clock Low Period t

LOW

1.3

Clock High Period t

HIGH

0.6

Data Setup Time t

SU:DAT

100 ns

Output Fall Time t

10pF P C

BUS

P 400pF

250 ns

Data Hold Time t

HD:DAT

From 50% SCL falling to SDA

change

Receive 0.15

Transmit 0.3 0.9

Pulse Width of Spike Suppressed t

250 ns

SMBus Timeout t

TIMEOUT

SMBCLK time low for reset 22 35 ms

JTAG INTERFACE

TDI, TMS, TCK Logic-Low Input

Voltage

Input voltage falling 0.8 V

TDI, TMS, TCK Logic-High Input

Voltage

Input voltage rising 2.0 V

TDO Logic-Output Low Voltage V

OL_TDO

SINK

= 3mA 0.4 V

TDO Logic-Output High Voltage V

OH_TDO

SOURCE

= 200FA

2.4 V

TDI, TMS Pullup Resistors R

JPU

Pullup to DBP 30 50 65

I/O Capacitance C

I/O

5 pF

TCK Clock Period t

1000 ns

TCK High/Low Time t

50 500 ns

TCK to TMS, TDI Setup Time t

15 ns

TCK to TMS, TDI Hold Time t

15 ns

TCK to TDO Delay t

500 ns

TCK to TDO High-Z Delay t

500 ns

1 2 3 4 5 6 7 8 9 ... 39 40

MAX16068 1

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Rainbow-electronics MAX16068 Manual de usuario Pagina 4

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