BR93L66RF-WE2 Rohm Semiconductor, BR93L66RF-WE2 Datasheet - Page 6

• Manufacturer Part Number: BR93L66RF-WE2
• Description: IC EEPROM 4KBIT 2MHZ 8SOP
• Manufacturer: Rohm Semiconductor

Specifications of BR93L66RF-WE2

• Memory Size: 4K (256 x 16)
• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Speed: 2MHz
• Interface: Microwire, 3-Wire Serial
• Voltage - Supply: 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-SOP
• Clock Frequency: 2MHz
• Supply Voltage Range: 1.8V To 5.5V
• Memory Case Style: SOP
• No. Of Pins: 8
• Operating Temperature Range: -40°C To +85°C
• Svhc: No SVHC (18-Jun-2010)
• Package /: RoHS Compliant
• Memory Configuration: 256 X 16
• Interface Type: Serial, Microwire
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Block diagram
Pin assignment and function
BR93LXXF-W:SOP8
BR93LXXFJ-W:SOP-J8
BR93LXXFV-W:SSOP-B8*
BR93LXXFVT-W:TSSOP-B8*
Pin name
CS
SK
DI
DO
NC
NC
GND
V
CS
DO
NC
SK
DI
CC
*
BR93L46/56/66-W
GND
V
CC
Command decode
Control
Clock generation
Dummy bit
Output
Input
Input
Input
DO
CS
I / O
Command
register
-
-
-
SK
DI
Fig. 33 Pin assignment diagram
Power source
All input / output reference voltage, 0V
Chip select input
Serial clock input
Start bit, ope code, address, and serial data input
Serial data output, READY / BUSY internal condition display output
Non connected terminal, Vcc, GND or OPEN
Fig. 32 Block diagram
Address
buffer
Data
register
Write
prohibition
Power source voltage detection
6/16
10bit
16bit
6bit
7bit
8bit
9bit
Function
R/W
amplifier
Address
decoder
High voltage occurrence
BR93LXXRF-W:SOP8
BR93LXXRFJ-W:SOP-J8
BR93LXXRFV-W:SSOP-B8
BR93LXXRFVT-W:TSSOP-B8
BR93LXXRFVM-W:MSOP8
BR93LXXRFVJ-W:TSSOP-B8J
16bit
10bit
V
CS
6bit
7bit
8bit
9bit
CC
16,384 bit
EEPROM
NC
SK
1,024 bit
2,048 bit
4,096 bit
8,192 bit
NC
DI
GND
DO