AK9813B Datasheet, PDF (21/24 Pages) Asahi Kasei Microsystems – 12ch 8bit D/A Converter with EEPROM

ASAHI KASEI
[AK9813B]
(3) LD I/F Timing
(VCC=2.7V to 5.5V, VDD=4.5V to 5.5V or 2.7V to 3.6V, GND, VSS=0V, Ta=-40°C to +85°C)
Parameter
Clock "L" Pulse Width
Clock "H" Pulse Width
Symbol
tCKL1
tCKL2
tCKH1
tCKH2
Conditions
Min
*5 200
*6 500
*5 200
*6 500
Max Units
ns
ns
ns
ns
Clock Rising Time
tCr
Clock Falling Time
tCf
200
ns
Data Set Up Time
tDCH1
*5
30
tDCH2
*6 150
Data Hold Time
tCHD1
*5
60
tCHD2
*6 150
Load Set Up Time
tCHL
200
Load Hold Time
tLDC1
*5 100
tLDC2
*6 250
Load "H" Pulse Width
tLDH1 modes except
*5 100
tLDH2 READ mode
*6 250
tLDH3 READ mode
5
Data Output Delay
tDO1
Test Load 1
*5
tDO2
Test Load 1
*6
D/A Output Setting Time tLDD
DAC
Test Load 2
CALL
Test Load 2
ALL CALL Test Load 2
Address Set Up Time
tASU1
*5 100
tASU2
*6 200
Write Address Hold Time tWAHD1
*5
20
tWAHD2
*6 100
Programming Cycle
tWRT
*7
Ready Signal Delay
tRYD
Test Load 1
Repeat Write Prohibition tRYH1 Test Load 1
*5
20
Time tRYH2 Test Load 2
*6 100
Read Hold Time
tRHD CALL, READ mode
15
ALL CALL mode
3.5
Read Address Hold Time tRAHD CALL, READ mode
15
ALL CALL mode
3.5
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
170
ns
300
ns
200
µs
250
µs
3.5
ms
ns
ns
ns
ns
7
ms
0.8
µs
ns
ns
µs
ms
µs
ms
*7: If READY/BUSY="L" is confirmed in status mode in the WRITE mode, the next
operation can be started.
DAD04E-01
- 21 -
2002/11