PSD835G2-90U STMicroelectronics, PSD835G2-90U Datasheet - Page 114

• Manufacturer Part Number: PSD835G2-90U
• Description: IC FLASH 4MBIT 90NS 80TQFP
• Manufacturer: STMicroelectronics

Specifications of PSD835G2-90U

• 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: 497-2015

DC and AC parameters
Figure 48. ISC timing
Table 48.
1. For non-PLD Programming, Erase or in ISC by-pass mode.
2. For Program or Erase PLD only.
114/120
t
t
t
t
t
t
t
t
t
t
t
ISCCF
ISCCH
ISCCL
ISCCFP
ISCCHP
ISCCLP
ISCPSU
ISCPH
ISCPCO
ISCPZV
ISCPVZ
Symbol
TCK
TDI/TMS
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 OUTPUTS/TDO
ISC OUTPUTS/TDO
ISC timing
Parameter
t
ISCCH
t
ISCCL
t
ISCPSU
t
ISCPH
Conditions
(1)
(1)
(1)
(2)
(2)
(2)
t
t
t
ISCPCO
ISCPZV
ISCPVZ
Min
240
240
23
23
6
5
-70
Max
20
21
21
21
2
Min
240
240
26
26
8
5
AI02865
-90
Max
18
23
23
23
PSD835G2
2
MHz
MHz
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns