參數(shù)資料
型號: PSD4256G6V-10UIT
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 1M X 8 FLASH, 52 I/O, PIA-GENERAL PURPOSE, PQFP80
封裝: PLASTIC, TQFP-80
文件頁數(shù): 10/127頁
文件大?。?/td> 1091K
代理商: PSD4256G6V-10UIT
PSD4256G6V
DC and AC parameters
Table 58.
Operating conditions
Symbol
Parameter
Min.
Max.
Unit
VCC
Supply voltage
2.7
3.6
V
TA
Ambient operating temperature (industrial)
–40
85
°C
Ambient operating temperature (commercial)
0
70
°C
Table 59.
AC signal letters for PLD timing(1)
1.
Example: tAVLX = Time from Address Valid to ALE Invalid.
Symbol
Signal
A
Address input
C
CEout output
D
Input data
E
E input
I
Interrupt input
L
ALE input
N
RESET input or output
P
Port Signal output
R
UDS, LDS, DS, RD, PSEN inputs
S
Chip Select input
TR/W input
W
WR input
BVSTBY output
M
Output macrocell
Table 60.
AC signal behavior symbols for PLD timing (1)
1.
Example: tAVLX = Time from Address Valid to ALE Invalid.
Symbol
Signal behavior
tTime
L
Logic level low or ALE
H
Logic level high
V
Valid
X
No longer a valid logic level
Z
Float
PW
Pulse width
Table 61.
AC measurement conditions(1)
1.
Output Hi-Z is defined as the point where data out is no longer driven.
Symbol
Parameter
Min.
Max.
Unit
CL
Load capacitance
30
pF
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