PSD835G2-90U STMicroelectronics, PSD835G2-90U Datasheet - Page 101

• 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

PSD835G2
Table 31.
Table 32.
1. Example: t
Table 33.
1. Example: t
Table 34.
Symbol
Symbol
V
C
T
CC
A
L
Symbol
PW
H
V
X
Z
L
t
AVLX
AVLX
Supply voltage
Ambient operating temperature (industrial)
Ambient operating temperature (commercial)
Load capacitance
Operating conditions
AC signal letters for PLD timing
AC signal behavior symbols for PLD timing
AC measurement conditions
= Time from Address Valid to ALE Invalid.
= Time from Address Valid to ALE Invalid.
Letter
W
M
C
D
N
Q
R
A
E
P
S
T
L
I
Time
Logic Level low or ALE
Logic Level high
Valid
No Longer a Valid Logic Level
Float
Pulse Width
Parameter
Parameter
Address input
CEout output
Input data
E input
Interrupt input
ALE input
RESET input or output
Port signal output
Output data
UDS, LDS, DS, RD, PSEN inputs
Chip Select inputs
R/W inputs
WR inputs
Output macrocell
(1)
Description
(1)
Min.
Min.
–40
4.5
0
Description
30
DC and AC parameters
Max.
Max.
5.5
85
70
Unit
Unit
pF
°C
101/120
°C
V