MAX6621 Datasheet, PDF (3/18 Pages) Maxim Integrated Products – PECI-to-I2C Translator

PECI-to-I²C Translator
ELECTRICAL CHARACTERISTICS (continued)
(Typical Application Circuit, V_CC = +3V to +3.6V, V_REF = +0.95V to +1.26V, T_A = -20°C to +120°C, unless otherwise noted. Typical
values are at V_CC = +3.3V, V_REF = +1.0V, T_A = +25°C.) (Note 1)
PARAMETER
Hysteresis
Low-Level Sinking Current
High-Level Sourcing Current
Input Capacitance
Signal-Noise Immunity Above
300MHz
SYMBOL
V_H
I_IL
I_IH
C_I
(Note 2)
V_N
(Note 2)
CONDITIONS
MIN
0.1
x V_REF
0.5
-6
TYP
0.1
x V_REF
MAX
1.0
10
UNITS
V
mA
mA
pF
V_P-P
TIMING CHARACTERISTICS
(Typical Application Circuit, V_CC = +3V to +3.6V, V_REF = +0.95V to +1.26V, T_A = -20°C to +120°C, unless otherwise noted. Typical
values are at V_CC = +3.3V, V_REF = +1.0V, T_A = +25°C.) (Note 2)
PARAMETER
RESET Pulse Width
I²C INTERFACE
Serial-Clock Frequency
Bus Free Time Between a
STOP and a START Condition
SYMBOL
RST
f_SCL
t_BUF
CONDITIONS
MIN
TYP
MAX UNITS
100
ns
400
kHz
1.3
µs
Hold Time, (Repeated) START
Condition
t_{HD, STA}
0.6
µs
Repeated START Condition
Setup Time
STOP Condition Setup Time
Data Hold Time
Data Setup Time
SCL Clock-Low Period
SCL Clock-High Period
Rise Time of Both SDA and
SCL Signals, Receiving
Fall Time of Both SDA and
SCL Signals, Receiving
Fall Time of SDA Transmitting
Pulse Width of Spike
Suppressed
t_{SU, STA}
t_{SU, STO}
t_{HD, DAT}
t_{SU, DAT}
t_LOW
t_HIGH
(Note 3)
t_R
(Notes 4, 5)
t_F
(Notes 4, 5)
t_F.TX (Notes 4, 5)
t_SP
(Note 6)
0.6
µs
0.6
µs
0.9
µs
120
ns
1.3
µs
0.6
µs
20
300
ns
+ 0.1C_b
20
300
ns
+ 0.1C_b
20
250
ns
+ 0.1C_b
50
160
ns
Capacitive Load for Each
Bus Line
PECI INTERFACE
Bit Time (Note 7)
C_b
(Note 4)
Overall time evident on PECI
t_BIT
Driven by MAX6621
0.495
0.495
400
pF
500
µs
250
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