XC1701 Xilinx, XC1701 Datasheet - Page 5

• Manufacturer Part Number: XC1701
• Description: Serial Configuration PROMs
• Manufacturer: Xilinx

Standby Mode
The PROM enters a low-power standby mode whenever
CE is asserted High. The output remains in a high imped-
ance state regardless of the state of the OE input.
Table 1: Truth Table for XC1700 Control Inputs
Notes:
IMPORTANT: Always tie the V
December 10, 1997 (Version 1.1)
Inactive
Active
Inactive
Active
RESET
Control Inputs
The XC1700 RESET input has programmable polarity
TC = Terminal Count = highest address value. TC+1 = address 0.
Low
Low
High
High
CE
if address < TC: increment
if address > TC: don’t change
Held reset
Not changing
Held reset
PP
pin to V
Internal Address
CC
in your application. Never leave V
Programming
The devices can be programmed on programmers supplied
by Xilinx or qualified third-party vendors. The user must
ensure that the appropriate programming algorithm and the
latest version of the programmer software are used. The
wrong choice can permanently damage the device.
active
3-state
3-state
3-state
3-state
DATA
High
Low
High
High
High
Outputs
PP
CEO
floating.
active
reduced
active
standby
standby
I
cc
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