PSD4235G2-90UI STMicroelectronics, PSD4235G2-90UI Datasheet - Page 123

• 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
Table 73.
1. For non-PLD Programming, Erase or in ISC by-pass mode.
2. For Program or Erase PLD only.
t
t
t
t
t
t
t
t
t
t
t
Symbol
ISCCF
ISCCH
ISCCL
ISCCFP
ISCCHP
ISCCLP
ISCPSU
ISCPH
ISCPCO
ISCPZV
ISCPVZ
Clock (TCK, PC1) frequency (except for
PLD)
Clock (TCK, PC1) high time (except for
PLD)
Clock (TCK, PC1) low time (except for
PLD)
Clock (TCK, PC1) frequency (PLD only)
Clock (TCK, PC1) high time (PLD only)
Clock (TCK, PC1) low time (PLD only)
ISC Port Setup time
ISC Port Hold Up time
ISC Port Clock to output
ISC Port high-Impedance to Valid output
ISC Port Valid output to
High-Impedance
ISC timing
Parameter
Conditions
(1)
(2)
Min
240
240
23
23
6
5
-70
Max
21
20
21
21
2
DC and AC parameters
Min
240
240
26
26
8
5
-90
Max
18
23
23
23
2
123/129
MHz
MHz
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns