wms7204 Winbond Electronics Corp America, wms7204 Datasheet - Page 19

• Manufacturer Part Number: wms7204
• Description: 256-tap Quad-channel Non-volatile Digital Potentiometer
• Manufacturer: Winbond Electronics Corp America

Note: The interface timing characteristics apply to all parts but are guaranteed by design and not
subject to production test.
SPI Clock Cycle Time
SPI Clock HIGH Time
SPI Clock LOW Time
Lead Time
Lag Time
SDI Setup Time
SDI Hold Time
CLK to SDO Propagation Delay
R/B Rise to CS Fall
Store to NVMEM Save Time
Startup Time
CS to SDO – SPI Line Acquire
CS to SDO – SPI Line Release
CS Deselect Time
WP Setup Time
WP Hold Time
PARAMETER
TABLE 10 – TIMING PARAMETERS
- 19 -
SYMBOL
t
t
t
WPSU
t
t
t
t
t
t
t
LEAD
t
WPH
t
t
t
t
CYC
LAG
DSU
RSU
t
LAC
LRL
WH
WL
DH
PD
SV
CS
ST
Publication Release Date: January 2003
MIN.
100
100
100
500
600
0.1
50
50
20
20
10
10
5
5
1
MAX.
2
WMS7204
UNIT
ms
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Revision 1.0