WM8146 Wolfson Microelectronics Ltd., WM8146 Datasheet - Page 6

• Manufacturer Part Number: WM8146
• Description: 12-bit ( 8+4-bit ) Linear Sensor Image Processor
• Manufacturer: Wolfson Microelectronics Ltd.

WM8146
Figure 3 Output Data Enable Timing
Test Conditions
AVDD = DVDD1 = DVDD2 = 4.75 to 5.25V, AGND = DGND = 0V, T
SERIAL INTERFACE
Figure 4 Serial Interface Timing
Test Conditions
AVDD = DVDD1 = DVDD2 = 4.75 to 5.25V, AGND = DGND = 0V, T
Note: Parameters are measured at 50% of the rising/falling edge.
WOLFSON MICROELECTRONICS LTD
PARAMETER
Output propagation delay
Output enable time
Output disable time
PARAMETER
SCK period
SCK high
SCK low
SDI set-up time
SDI hold time
SCK to SEN set-up time
SEN to SCK set-up time
SEN pulse width
OP[7:0]
OEB
S C K
SEN
SDI
t
Hi-Z
S S U
t
PZE
SYMBOL
t
t
SYMBOL
S H
S P E R
t
t
t
t
t
t
t
SPER
SCKH
SCKL
SEW
SSU
t
SCE
SEC
SH
t
t
t
PZE
PEZ
PD
TEST CONDITIONS
I
TEST CONDITIONS
OH
= 1mA, I
t
S C K L
A
A
= 0 to 70 C, MCLK = 12MHz unless otherwise stated
= 0 to 70 C, MCLK = 12MHz unless otherwise stated
OL
t
S C K H
= 1mA
t
S C E
83.3
37.5
MIN
37.5
10
10
20
20
50
MIN
t
S E W
TYP
TYP
t
S E C
t
PEZ
MAX
PP Rev 1.1 January 2000
MAX
75
50
25
Product Preview
Hi-Z
UNITS
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
6