M95640-RMC6TG STMicroelectronics, M95640-RMC6TG Datasheet - Page 6

• Manufacturer Part Number: M95640-RMC6TG
• Description: EEPROM 64Kbit SPI EEPROM 20 MHz 1.8V to 5.5V
• Manufacturer: STMicroelectronics

Specifications of M95640-RMC6TG

• Product Category: EEPROM
• Rohs: yes

Description
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Description
The M95640 devices are Electrically Erasable PROgrammable Memories (EEPROMs)
organized as 8192 x 8 bits, accessed through the SPI bus.
The M95640-W can operate with a supply voltage from 2.5 V to 5.5 V, the M95640-R can
operate with a supply voltage from 1.8 V to 5.5 V, and the M95640-DF can operate with a
supply voltage from 1.7 V to 5.5 V, over an ambient temperature range of -40 °C / +85 °C.
The M95640-D offers an additional page, named the Identification Page (32 bytes). The
Identification Page can be used to store sensitive application parameters which can be
(later) permanently locked in Read-only mode.
Figure 1.
The SPI bus signals are C, D and Q, as shown in
selected when Chip Select (S) is driven low. Communications with the device can be
interrupted when the HOLD is driven low.
Table 1.
C
D
Q
S
W
HOLD
V
V
CC
SS
Signal name
Logic diagram
Signal names
Serial Clock
Serial Data Input
Serial Data Output
Chip Select
Write Protect
Hold
Supply voltage
Ground
HOLD
Doc ID 16877 Rev 16
W
D
C
S
V CC
V SS
M95xxx
Function
Figure 1
M95640-W M95640-R M95640-DF
and
Q
AI01789C
Table
Input
Input
Output
Input
Input
Input
1. The device is
Direction