EPC4QI100 Altera, EPC4QI100 Datasheet - Page 40

• Manufacturer Part Number: EPC4QI100
• Description: IC CONFIG DEVICE 4MBIT 100-PQFP
• Manufacturer: Altera
• Series: EPCr

Specifications of EPC4QI100

• Programmable Type: In System Programmable
• Memory Size: 4Mb
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-MQFP, 100-PQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 544-2189

2–4
Design Guidelines
Configuration Handbook (Complete Two-Volume Set)
Figure 2–2. Daisy Chaining Two SRAM-Based Devices to One DATA Line
For debugging, Altera recommends keeping the control lines such as nSTATUS,
nCONFIG, and CONF_DONE between each PLD and the configuration device separate.
You can keep control lines separate with a switch to manage which control signals are
fed back into the enhanced configuration device.
connections between the enhanced configuration device and the targeted PLDs.
Figure 2–3. Example of Using Debugging Switches for Control Lines
CONF_DONE
CONF_DONE
PLD
PLD
nCONFIG
nCONFIG
nSTATUS
nSTATUS
DATA0
DATA0
DCLK
DCLK
Chapter 2: Altera Enhanced Configuration Devices
Figure 2–3
DCLK
DATA0
OE
nCS
nINIT_CONF
PORSEL
PGM[2..0]
DATA1
Configuration
Device
© December 2009 Altera Corporation
shows an example of the
Concurrent Configuration