PSD4235G2-90U STMicroelectronics, PSD4235G2-90U Datasheet - Page 57

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

Specifications of PSD4235G2-90U

• 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: 0°C ~ 70°C
• Package / Case: 80-TQFP, 80-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-1968

PSD4235G2
Table 32.
1. The address inputs are A19-A4 in 80C51XA mode.
Page register
Macrocell A feedback
Macrocell B feedback
Flash memory Program Status bit
DPLD and CPLD inputs (continued)
Input source
PGR7-PGR0
MCELLA.FB7-FB0
MCELLB.FB7-FB0
Ready/Busy
Input name
Number of
signals
8
8
8
1
57/129
PLDS