X9252 Datasheet, PDF (6/19 Pages) Xicor Inc. – Quad Digitally-Controlled (XDCP) potentiometer

X9252
2-Wire Interface timing (s) (Continued)
SYMBOL
PARAMETER
t_BUF (Note 5)
t_SU:WPA
(Note 5)
Bus Free Time (Prior to Any Transmission)
A0, A1, A2 and WP Setup Time
t_HD:WPA
(Note 5)
A0, A1, A2 and WP Hold Time
SDA vs SCL Timing
MIN
1200
600
600
t_F
t_HIGH
t_LOW
t_R
SCL
t_SU:STA
SDA
(Input Timing)
SDA
(Output Timing)
t_SU:DAT
t_HD:STA
t_HD:DAT
t_AA t_DH
WP, A0, A1, and A2 Pin Timing
START
SCL
Clk 1
STOP
MAX
UNITS
ns
ns
ns
t_SU:STO
t_BUF
SDA IN
WP, A0, A1, or A2
t_SU:WP
Increment/Decrement Timing
SYMBOL
PARAMETER
t_CI
t_ID (Note 5)
t_DI (Note 5)
t_IL
t_IH
t_IC
t_CPHS
t_CPHNS
(Note 5)
CS to SCL Setup
SCL HIGH to U/D, DS0 or DS1 change
U/D, DS0 or DS1 to SCL setup
SCL LOW period
SCL HIGH period
SCL inactive to CS inactive (Nonvolatile Store Setup Time)
CS deselect time (STORE)
CS deselect time (NO STORE)
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
t_HD:WP
MIN
TYP (Note 4)
MAX
600
600
600
2.5
2.5
1
10
1
100
500
5
500
UNITS
ns
ns
ns
µs
µs
µs
ms
µs
µs
µs
µs
6
FN8167.1
September 14, 2005