AT17C128A-10JC Atmel, AT17C128A-10JC Datasheet - Page 5

• Manufacturer Part Number: AT17C128A-10JC
• Description: IC SER CONFIG PROM 128K 20PLCC
• Manufacturer: Atmel

Specifications of AT17C128A-10JC

• Programmable Type: Serial EEPROM
• Memory Size: 128kb
• Voltage - Supply: 4.75 V ~ 5.25 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 20-LCC (J-Lead)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: AT17C128A10JC

Figure 3. FPGA Device Configured with Multiple AT17A Series Configurators
Notes:
AT17A Series Reset
Polarity
Programming Mode
Standby Mode
0996D–08/01
V
CC
0.1
1 k
m
GND
GND
W
F
1. Reset polarity must be set active Low.
2. RC filter recommended for input to nCONFIG to delay configuration until V
3. The use of the READY pin is optional.
to an active Low system reset signal.)
nCONFIG
nS/P
MSEL0
MSEL1
CONF_DONE
EPF10K
nSTATUS
DATA0
DCLK
1 k
The AT17 Series Configurator allows the user to program the polarity of the OE pin as
either RESET/OE or RESET/OE. This feature is supported by industry-standard pro-
grammer algorithms. For more details on programming the EEPROM’s reset polarity,
please reference the “Programming Specification for Atmel’s FPGA Configuration
EEPROMs” application note.
The programming mode is entered by bringing SER_EN Low. In this mode the chip can
be programmed by the 2-wire serial bus. The programming is done at V
Programming super voltages are generated inside the chip. See the “Programming
Specification for Atmel’s Configuration EEPROM” application note for further informa-
tion. The AT17CXXXA parts are read/write at 5V nominal. The AT17LVXXXA parts are
read/write at 3.3V nominal.
The AT17C/LV65A/128A/256A enters a low-power standby mode whenever nCS is
asserted High. In this mode, the configurator consumes less than 75 µA of current
at 5.0V. The output remains in a high-impedance state regardless of the state of the OE
input.
W
V
CC
V
CC
1 k
W
AT17LV65(A)/128(A)/256(A)
AT17C65(A)/128(A)/256(A)
DCLK
DATA
nCS
OE
Device 1
SER_EN
READY
nCASC
AT17C/LV65A/128A/256A
CC
(1)(2)(3)
is stable. (nCONFIG can instead be connected
V
CC
AT17LV65(A)/128(A)/256(A)
AT17C65(A)/128(A)/256(A)
DCLK
DATA
nCS
OE
Device 2
SER_EN
CC
supply only.
V
CC
5