PSD854F2-90M STMicroelectronics, PSD854F2-90M Datasheet - Page 87

• Manufacturer Part Number: PSD854F2-90M
• Description: IC FLASH 2MBIT 90NS 52QFP
• Manufacturer: STMicroelectronics

Specifications of PSD854F2-90M

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 2M (256K x 8)
• Speed: 90ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 52-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2029

Figure 45. READ Timing
Note: 1. t
NON-MULTIPLEXED
NON-MULTIPLEXED
AVLX
MULTIPLEXED
and t
(PSEN, DS)
ADDRESS
ALE /AS
DATA
LXAX
BUS
BUS
BUS
A /D
R / W
CSI
RD
E
are not required for 80C251 in Page Mode or 80C51XA in Burst Mode.
t AVPV
t LVLX
t AVLX
ADDRESS
VALID
t LXAX
Doc ID 10552 Rev 3
ADDRESS OUT
1
t SLQV
t AVQV
t THEH
ADDRESS
VALID
t RLQV
t RLRH
t EHEL
VALID
VALID
DATA
DATA
PSD813F2V, PSD854F2V
t RHQX
t ELTL
tRHQZ
AI02895
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