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BR9010F Datasheet(PDF) 10 Page - Rohm

Part # BR9010F
Description  1, 2, and 4k bit EEPROMs for direct connection to serial ports
PDF  17 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BR9010F Datasheet(HTML) 10 Page - Rohm

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10
Memory ICs
BR9010 / BR9010F / BR9010FV / BR9020 / BR9020F /
BR9040 / BR9040F
•Input / output circuits
RESET int.
CS int.
CS int.
OE int.
CS
DI
DO
SK
WC
(1) Input circuits
(2) Output circuits
R / B
∗ DO: BR9010 / F / FV
R / B: BR9020 / F, BR9040 / F
OE int.
DO
∗ DO: BR9040 / F
BR9020 / F
•Circuit operation
(1) Command mode
Command
Start bit
1010
1010
1010
1010
Operating code
1000
0100
0011
0000
Address
Data
D0 D1—D14 D15
A0 A1 A2 A3 A4 A5 (A6)
2 (A7)
1
A0 A1 A2 A3 A4 A5 (A6)
2 (A7)
1
∗ ∗ ∗ ∗ ∗ ∗ ∗
∗
∗ ∗ ∗ ∗ ∗ ∗ ∗
∗
Read
Write
Erase / Write enabled
Erase / Write disable
(READ)
(WRITE)
(EWEN)
(EWDS)
∗ Either VIH or VIL
With BR9020 / F,
1 is ‘0’
With BR9010 / F / FV,
1 and 2 are ‘0’



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