MP7628 Exar Corporation, MP7628 Datasheet - Page 7

• Manufacturer Part Number: MP7628
• Description: 5 V Cmos Quad Multiplying 8-bit Digital-to-analog Converter
• Manufacturer: Exar Corporation

INTERFACE LOGIC INFORMATION
port. The control inputs DS1, DS2, A/B select which DAC can
accept data from the input port.
mode of the selected DAC. See Mode Selection Table on the
previous page .
DAC is in the write mode. The input data latches of the selected
APPLICATION NOTES
Refer to Section 8 for Applications Information
DAC Selection: All DAC latches share a common 8-bit input
Mode Selection: Inputs DS and R/W control the operating
Write Mode: When DS and R/W are both low the selected
Rev. 2.00
7
DAC are transparent and its analog output responds to activity
on DB0-DB7.
was present on DB0-DB7 just prior to DS and R/W assuming a
high state. Both analog outputs remain at the values corre-
sponding to the data in their respective latches.
DAC is in the read mode and the data held in the appropriate
latch is outputed to the data bus.
Hold Mode: The selected DAC latch retains the data which
Read Mode: When DS is low and R/W is high, the selected
MP7628