X1240
(3) The device goes into the Timekeeping state 200nS after any stop, except those that initiate a non-volatile write cycle; t
after a
WC
stop that initiates a non-volatile write cycle; or 9 clock cycles after any start that is not followed by the correct Device Select Bits in
the Slave Address Byte.
(4) For reference only and not tested.
(5)
(6)
(7)
(8)
(9)
V
V
V
V
V
= V x 0.1, V = V x 0.9, f
= 400KHz, SDA = Open
IL
CC
IH
CC
SCL
SCL
= V x 0.1, V = V x 0.9, f
= 400KHz, f
= 400KHz, Vcc = 1.22 x Vcc Min
SDA
IL
CC
IH
CC
= 0V.
CC
= 0V.
BACK
=V
=V , Others=GND or V
CC
SDA SCL CC
(10) V
(11) V
=V
=V
, Others=GND or V
SDA SCL BACK
BACK
= GND or V
CC, CLK CC
= GND to V
V
SDA
(12) I = 3.0mA at 5V, 1.5mA at 2.7V
OL
(13) I
= -1.0mA at 5V, -0.4mA at 2.7V
OH
(14) Threshold voltages based on the higher of Vcc or Vback.
(15) Driven by external 32.768KHz square wave oscillator on X1, X2 open.
(16) Using recommended crystal and oscillator network applied to X1 and X2 (25°C).
(17) Periodically sampled and not 100% tested.
CAPACITANCE (T = 25˚C, f = 1.0 MHz, V = 5V)
A
CC
Symbol
Parameter
Max
Units
Test Conditions
= 0V
C
(Notes:)
OUT
V
Output Capacitance (SDA)
Input Capacitance (SCL)
8
pF
OUT
(Notes:)
V
= 0V
C
6
pF
IN
IN
Notes: (1) This parameter is periodically sampled and not 100% tested.
AC CHARACTERISTICS
AC Test Conditions
EQUIVALENT AC OUTPUT LOAD CIRCUIT FOR
= 5V (Standard Output Load for testing the device
V
CC
Input Pulse Levels
V
x 0.1 to V x 0.9
CC
CC
with V = 5.0V)
CC
Input Rise and Fall Times 10ns
5.0V
Input and Output Timing
Levels
V
CC
x 0.5
For V = 0.4V
OL
1533Ω
Output Load
Standard Output Load
and I = 3 mA
OL
SDA
100pF
14