X9455_06 Datasheet, PDF (6/19 Pages) Intersil Corporation – Dual Two-wiper Digitally-Controlled Potentiometer

X9455
2-Wire Interface Timing (s) (Continued)
SYMBOL
PARAMETER
MIN
t_SU:WPA A0, A1, A2 and WP Setup Time
600
(Note 5)
t_HD:WPA
A0, A1, A2 and WP Hold Time
600
(Note 5)
SDA vs. SCL Timing
SCL
t_SU:STA
SDA
(Input Timing)
SDA
(Output Timing)
t_F
t_HIGH
t_SU:DAT
t_HD:STA
t_LOW
t_R
t_HD:DAT
t_AA t_DH
MAX
UNITS
ns
ns
t_SU:STO
t_BUF
WP, A0, A1, and A2 Pin Timing
START
SCL
Clk 1
SDA IN
WP, A0, A1, or A2
t_SU:WP
STOP
t_HD:WP
Increment/Decrement Timing
SYMBOL
PARAMETER
MIN
TYP (Note 4)
MAX
t_CI
CS to SCL Setup
600
t_ID (Note 5) SCL HIGH to U/D, DS0 or DS1 change
600
t_DI (Note 5) U/D, DS0 or DS1 to SCL setup
600
t_IL
SCL LOW period
2.5
t_IH
SCL HIGH period
2.5
t_IC
SCL inactive to CS inactive (Nonvolatile Store Setup Time)
1
t_CPHS
CS deselect time (STORE)
10
t_CPHNS
CS deselect time (NO STORE)
1
(Note 5)
t_IW (Note 5) SCL to R_W change
t_CYC
SCL cycle time
t_R, t_F (Note 5) SCL input rise and fall time
100
500
5
500
6
UNITS
ns
ns
ns
µs
µs
µs
ms
µs
µs
µs
µs
FN8202.1
July 28, 2006