PSD4235G2-90UI STMicroelectronics, PSD4235G2-90UI Datasheet - Page 118

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

Specifications of PSD4235G2-90UI

• 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: -40°C ~ 85°C
• Package / Case: 80-TQFP, 80-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-1969

DC and AC parameters
Table 67.
1. Any input used to select an internal PSD function.
2. RD timing has the same timing as DS, LDS, and UDS signals.
3. RD and PSEN have the same timing.
4. RD timing has the same timing as DS, LDS, UDS, and PSEN signals.
5. In multiplexed mode, latched addresses generated from ADIO delay to address output on any Port.
118/129
t
t
Symbol
ELTL
AVPV
R/W Hold time After Enable
Address input Valid to
Address output Delay
READ timing (continued)
Parameter
Conditions
(5)
Min
0
-70
Max
20
Min
0
-90
Max
25
Turbo
PSD4235G2
Off
Unit
ns
ns