PSD4235G2-90UI STMicroelectronics, PSD4235G2-90UI Datasheet - Page 93

• 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

PSD4235G2
Figure 30. Port E, F and G structure
ALE
ADDRESS
Ext. CS (Port F)
ENABLE PRODUCT TERM ( .OE )
WR
WR
WR
CONTROL Register
DIR Register
DATA OUT
READ MUX
Register
D
D
G
D
D
P
D
B
Q
Q
Q
Q
CPLD-INPUT (Port F)
ISP (Port E)
A [ 7:0 ] OR A [ 15:8 ]
ADDRESS
DATA OUT
DATA IN
OUTPUT
OUTPUT
SELECT
MUX
ENABLE OUT
Configuration Bit
PORT Pin
AI04938b
I/O ports
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