PSD4235G2V-12UI STMicroelectronics, PSD4235G2V-12UI Datasheet - Page 100

• Manufacturer Part Number: PSD4235G2V-12UI
• Description: IC FLASH 4MBIT 120NS 80TQFP
• Manufacturer: STMicroelectronics

Specifications of PSD4235G2V-12UI

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 4M (512K x 8)
• Speed: 120ns
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-TQFP, 80-VQFP
• Number Of Macrocells: 24
• Maximum Operating Frequency: 25.6 MHz
• Delay Time: 90 ns
• Operating Supply Voltage: 3 V to 3.6 V
• Maximum Operating Temperature: 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-1970

Power-on Reset, Warm Reset and Power-down
Table 51.
1. The SR_code and Peripheral Mode bits in the VM register are always cleared to ’0’ on Power-On Reset or Warm Reset.
Figure 33. Reset (RESET) timing
100/129
Macrocells Flip-flop status
VM register
All other registers
Port configuration
V
RESET
CC
(1)
Status During Power-On Reset, Warm Reset and Power-down mode (continued)
Power-On Reset
V
t NLNH-PO
CC
(min)
Cleared to ’0’
Cleared to ’0’ by internal
Power-On Reset
Initialized, based on the
selection in PSDsoft
Express
Configuration menu
Power-On Reset
t OPR
Depends on .re and .pr
equations
Initialized, based on the
selection in PSDsoft
Express
Configuration menu
Cleared to ’0’
Warm Reset
Warm Reset
t NLNH-A
t NLNH
Depends on .re and .pr
equations
Unchanged
Unchanged
Power-down mode
t OPR
PSD4235G2
AI02866b