PSD4235G2-90U STMicroelectronics, PSD4235G2-90U Datasheet - Page 92

• 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

I/O ports
20.24
20.25
92/129
Port F - functionality and structure
Port F can be configured to perform one or more of the following functions:
●
●
●
●
●
●
●
●
Port G - functionality and structure
Port G can be configured to perform one or more of the following functions:
●
●
●
●
●
MCU I/O Mode
CPLD output - External Chip Select (ECS7-ECS0) can be connected to Port F or Port
C.
CPLD input - direct input to the CPLD, no input macrocells (IMC)
Latched Address output - Provide latched address output as per
Slew Rate - pins can be configured for fast Slew Rate
Data Port - connected to D7-D0 when Port F is configured as Data Port for a non-
multiplexed bus
Peripheral Mode
MCU Reset Mode - for 16-bit Motorola 683xx and HC16 MCUs
MCU I/O Mode
Latched Address output - Provide latched address output as per
Open Drain - pins can be configured in Open Drain Mode
Data Port - connected to D15-D8 when Port G is configured as Data Port for a non-
multiplexed bus
MCU Reset Mode - for 16-bit Motorola 683xx and hc16 mcus
Table
Table
41.
41.
PSD4235G2