M34E02-FDW1TP STMicroelectronics, M34E02-FDW1TP Datasheet - Page 21

• Manufacturer Part Number: M34E02-FDW1TP
• Description: IC EEPROM 2KBIT 400KHZ 8TSSOP
• Manufacturer: STMicroelectronics

Specifications of M34E02-FDW1TP

• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Memory Size: 2K (256 x 8)
• Speed: 400kHz
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 1.7 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 8-TSSOP
• Organization: 256 K x 8
• Interface Type: 2-Wire
• Maximum Clock Frequency: 0.4 MHz
• Access Time: 900 ns
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 1.7 V
• Maximum Operating Current: 2 mA
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• Operating Supply Voltage: 1.7 V, 3.6 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-8654-2; M34E02-FDW1TP

M34E02
Figure 11. Serial presence detect block diagram
1. E0, E1 and E2 are wired at each DRAM module slot in a binary sequence for a maximum of 8 devices.
2. Common clock and common data are shared across all the devices.
DRAM module slot number 7
DRAM module slot number 6
DRAM module slot number 5
DRAM module slot number 4
DRAM module slot number 3
DRAM module slot number 2
DRAM module slot number 1
DRAM module slot number 0
V CC
V CC V SS
V CC
V SS
V SS V CC
V SS
E2
E2
E2
E2
E2
E2
E2
E2
V CC
V SS
E1
E1
E1
E1
E1
E1
E1
E1
Doc ID 10367 Rev 9
V SS
V CC
V SS
V CC
V SS
V CC
E0
E0
E0
E0
E0
E0
E0
E0
SCL
SCL
SCL
SCL
SCL
SCL
SCL
SCL
SDA
SDA
SDA
SDA
SDA
SDA
SDA
SDA
Use within a DDR1/DDR2 DRAM module
SCL line
From the motherboard
I
2
C master controller
R = 4.7 k
SDA line
AI01937b
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