PSD935G2-90U STMicroelectronics, PSD935G2-90U Datasheet - Page 70

• Manufacturer Part Number: PSD935G2-90U
• Manufacturer: STMicroelectronics

Specifications of PSD935G2-90U

• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Operating Temperature Classification: Commercial
• Package Type: TQFP
• Mounting: Surface Mount
• Pin Count: 80
• Lead Free Status / RoHS Status: Compliant

Microcontroller Interface – PSD935G2 AC/DC Parameters
(5V ± 10% Versions)
PSD935G2
Read Timing
NOTES: 1. RD timing has the same timing as DS and PSEN signals.
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
LVLX
AVLX
LXAX
AVQV
SLQV
RLQV
RHQX
RLRH
RHQZ
EHEL
THEH
ELTL
AVPV
2. RD and PSEN have the same timing.
3. Any input used to select an internal PSD935G2 function.
4. In multiplexed mode, latched addresses generated from ADIO delay to address output on any Port.
5. RD timing has the same timing as DS signals.
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
RD or PSEN to Data Valid,
80C51 Mode
RD Data Hold Time
RD Pulse Width
RD to Data High-Z
E Pulse Width
R/W Setup Time to Enable
R/W Hold Time After Enable
Address Input Valid to Address
Output Delay
(5 V ± 10% Versions)
Parameter
Conditions
(Note 3)
(Note 3)
(Note 3)
(Note 5)
(Note 2)
(Note 1)
(Note 1)
(Note 1)
(Note 4)
Min
15
27
27
4
7
0
6
0
-70
Max
70
75
24
31
20
20
PSD9XX Family
Min
20
32
32
10
6
8
0
0
-90
Max
100
90
32
38
25
25
Add 12
Turbo
Off
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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