PSD4235G2-90U STMicroelectronics, PSD4235G2-90U Datasheet - Page 114

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

Specifications of PSD4235G2-90U

• 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: 0°C ~ 70°C
• Package / Case: 80-TQFP, 80-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-1968

DC and AC parameters
Table 64.
Figure 39. Synchronous clock mode timing - PLD
114/129
f
t
t
t
t
t
t
t
Symbol
MAXA
SA
HA
CHA
CLA
COA
ARDA
MINA
Maximum
frequency
External
Feedback
Maximum
frequency
Internal
Feedback
(f
Maximum
frequency
Pipelined Data
Input setup time
Input Hold time
Clock input high
time
Clock input low
time
Clock to output
Delay
CPLD Array
Delay
Minimum Clock
Period
CNTA
Parameter
CPLD macrocell Asynchronous clock mode timing
)
REGISTERED
OUTPUT
CLKIN
INPUT
1/(t
Any macrocell
1/(t
1/(t
Conditions
SA
1/f
CHA
SA
+t
CNTA
+t
COA
+t
COA
CLA
–10)
)
)
t CH
Min
12
16
6
7
9
-70
Max
38.4
62.5
47.6
21
11
t CL
t S
Min
12
12
15
28
8
t H
t CO
-90
26.32
35.71
37.03
Max
30
16
AI02860
Aloc
+ 2
+ 2
PT
Turbo
+ 12
+ 12
+ 12
+ 12
Off
PSD4235G2
Slew
rate
– 2
MHz
MHz
MHz
Unit
ns
ns
ns
ns
ns
ns
ns