PSD835G2-90U STMicroelectronics, PSD835G2-90U Datasheet - Page 86

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

Specifications of PSD835G2-90U

• 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: 497-2015

I/O ports
17.24
17.25
86/120
Port F – functionality and structure
Port F can be configured to perform one or more of the following functions:
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●
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Port G – functionality and structure
Port G can be configured to perform one or more of the following functions:
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●
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MCU I/O mode
CPLD Output – External Chip Select ECS7-ECS0 can be connected to port F (or port
C).
CPLD Input – as direct input of the CPLD array.
Address In – addition high address inputs. Direct input to the CPLD array, no Input
macrocell (IMC) latching is available.
Latched Address Out – Provide latched address out per
Up Reset, Warm Reset and Power-down
Slew Rate – pins can be set up for fast slew rate.
Data port – connected to D7-D0 when port F is configured as Data port for a non-
multiplexed bus.
Peripheral I/O mode.
MCU I/O mode
Latched Address Out – Provide latched address out per
Open Drain – pins can be configured in Open Drain mode.
mode.
Table 26: Status during Power-
Table
26.
PSD835G2