PSD834F2V10MI STMicroelectronics, PSD834F2V10MI Datasheet - Page 83

• Manufacturer Part Number: PSD834F2V10MI
• Manufacturer: STMicroelectronics

Specifications of PSD834F2V10MI

• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Operating Temperature Classification: Industrial
• Package Type: PQFP
• Mounting: Surface Mount
• Pin Count: 52
• Lead Free Status / RoHS Status: Compliant

Figure 43. Peripheral I/O WRITE Timing
Table 51. Port A Peripheral Data Mode WRITE Timing
Note: 1. RD has the same timing as DS, LDS, UDS, and PSEN (in 8031 combined mode).
t
t
t
WLQV–PA
DVQV–PA
WHQZ–PA
Symbol
2. WR has the same timing as the E, LDS, UDS, WRL, and WRH signals.
3. Any input used to select Port A Data Peripheral mode.
4. Data is already stable on Port A.
5. Data stable on ADIO pins to data on Port A.
A / D BUS
ALE /AS
WR to Data Propagation Delay
Data to Port A Data Propagation Delay
WR Invalid to Port A Tri-state
WR
Parameter
ADDRESS
Conditions
tWLQV
(Note
(Note
(Note
2
5
2
(PA)
)
)
)
Min Max Min Max Min Max
tDVQV (PA)
DATA OUT
-10
DATA OUT
PORT A
42
38
33
-15
tWHQZ (PA)
45
40
33
PSD834F2V
-20
AI02898
55
45
35
Unit
83/95
ns
ns
ns