PSD4235G2-90UI STMicroelectronics, PSD4235G2-90UI Datasheet - Page 55

• Manufacturer Part Number: PSD4235G2-90UI
• Description: IC FLASH 4MBIT 90NS 80TQFP
• Manufacturer: STMicroelectronics

Specifications of PSD4235G2-90UI

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 4M (512K x 8)
• Speed: 90ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-TQFP, 80-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-1969

PSD4235G2
15
Memory ID registers
The 8-bit Read-only Memory Status registers are included in the CSIOP space. The user
can determine the memory configuration of the PSD device by reading the Memory ID0 and
Memory ID1 registers. The content of the registers is defined as shown in
Table
27.
Memory ID registers
Table 26
and
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