PSD835G2-90UI STMicroelectronics, PSD835G2-90UI Datasheet - Page 50

• Manufacturer Part Number: PSD835G2-90UI
• Description: IC FLASH 4MBIT 90NS 80TQFP
• Manufacturer: STMicroelectronics

Specifications of PSD835G2-90UI

• 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: 497-2016

Sector Select and SRAM Select
Figure 10. 8031 memory modules – combined space
50/120
RD
PSEN
VM REG BIT 3
VM REG BIT 4
VM REG BIT 1
VM REG BIT 2
VM REG BIT 0
DPLD
RS0
CSBOOT0-3
FS0-FS7
CS
Primary
Memory
Flash
OE
RD
Secondary
CS
Memory
Flash
OE
CS
SRAM
OE
AI02870C
PSD835G2