PSD4235G2V-12UI STMicroelectronics, PSD4235G2V-12UI Datasheet - Page 117
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PSD4235G2V-12UI
Manufacturer Part Number
PSD4235G2V-12UI
Description
IC FLASH 4MBIT 120NS 80TQFP
Manufacturer
STMicroelectronics
Datasheet
1.PSD4235G2-70U.pdf
(129 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PSD4235G2V-12UI
Manufacturer:
STMicroelectronics
Quantity:
10 000
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PSD4235G2
Figure 44. READ timing
1. t
Table 67.
t
t
t
t
t
t
t
t
t
t
t
Symbol
LVLX
AVLX
LXAX
AVQV
SLQV
RLQV
RHQX
RLRH
RHQZ
EHEL
THEH
AVLX
NON-MULTIPLEXED
NON-MULTIPLEXED
and t
MULTIPLEXED
ALE or AS Pulse Width
Address setup time
Address Hold time
Address Valid to Data Valid
CS Valid to Data Valid
RD to Data Valid 8-bit Bus
RD or PSEN to Data Valid
8-bit Bus, 8031, 80251
RD Data Hold time
RD Pulse Width
RD to Data high-Z
E Pulse Width
R/W setup time to Enable
LXAX
(PSEN, DS)
READ timing
ADDRESS
ALE /AS
DATA
are not required for 80C251 in Page Mode or 80C51XA in Burst Mode.
BUS
BUS
BUS
A /D
R / W
CSI
RD
E
Parameter
t AVPV
t LVLX
t AVLX
ADDRESS
VALID
t LXAX
ADDRESS OUT
1
Conditions
t SLQV
(1)
(2)
(3)
(4)
t AVQV
t THEH
ADDRESS
VALID
t RLQV
t RLRH
Min
15
27
27
4
7
0
6
-70
t EHEL
Max
70
75
24
31
20
VALID
VALID
DATA
DATA
t RHQX
t ELTL
Min
32
20
32
10
6
8
0
DC and AC parameters
-90
tRHQZ
Max
100
90
32
38
25
Turbo
AI02895
+ 12
Off
117/129
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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