at17f080 ATMEL Corporation, at17f080 Datasheet - Page 4
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at17f080
Manufacturer Part Number
at17f080
Description
8 Mbit In-system Programable Prom
Manufacturer
ATMEL Corporation
Datasheet
1.AT17F080.pdf
(19 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT17F080
Manufacturer:
CIRRUS
Quantity:
16
Part Number:
at17f080A-30CU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
3. Block Diagram
4. Device Description
4
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PAGESEL1
PAGE_EN
READY
AT17F040/080
Config. Page
The control signals for the configuration memory device (CE, RESET/OE and CLK) interface
directly with the FPGA device control signals. All FPGA devices can control the entire configura-
tion process and retrieve data from the configuration device without requiring an external
intelligent controller.
The RESET/OE and CE pins control the tri-state buffer on the DATA output pin and enable the
address counter. When RESET/OE is driven Low, the configuration device resets its address
counter and tri-states its DATA pin. The CE pin also controls the output of the AT17F Series
Configurator. If CE is held High after the RESET/OE reset pulse, the counter is disabled and the
DATA output pin is tri-stated. When OE is subsequently driven High, the counter and the DATA
output pin are enabled. When RESET/OE is driven Low again, the address counter is reset and
the DATA output pin is tri-stated, regardless of the state of CE.
When the configurator has driven out all of its data and CEO is driven Low, the device tri-states
the DATA pin to avoid contention with other configurators. Upon power-up, the address counter
is automatically reset.
Power-on
Memory
Select
Reset
Flash
CE/WE/OE
Address
Reset
Data
2-wire Serial Programming
Serial Download Logic
Control Logic
Clock/Oscillator
Logic
CLK
CEO(A2)
DATA
CE
RESET/OE
SER_EN
3039K–CNFG–2/08