參數(shù)資料
型號: U631H16BSC25
廠商: Electronic Theatre Controls, Inc.
英文描述: SOFTSTORE 2K X 8 NVSRAM
中文描述: SOFTSTORE 2K × 8非易失性SRAM
文件頁數(shù): 2/12頁
文件大?。?/td> 275K
代理商: U631H16BSC25
2
December 12, 1997
U631H16
EEPROM Array
32 x (64 x 8)
STORE
RECALL
SRAM
Array
32 Rows x
64 x 8 Columns
A5
A6
A7
A8
A9
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
Column I/O
Column Decoder
Store/
Recall
Control
R
V
CC
V
SS
V
CC
G
E
W
A0 A1
A2 A3 A4A10
Software
Detect
A0 - A10
I
Operating Mode
E
W
G
DQ0 - DQ7
Standby/not selected
H
*
*
High-Z
Internal Read
L
H
H
High-Z
Read
L
H
L
Data Outputs Low-Z
Write
L
L
*
Data Inputs High-Z
Truth Table for SRAM Operations
Block Diagram
a:
Stresses greater than those listed under Absolute Maximum Ratings“ may cause permanent damage to the device. This is a stress
rating only, and functional operation of the device at condition above those indicated in the operational sections of this specification is
not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
Absolute Maximum Ratings
a
Symbol
Min.
Max.
Unit
Power Supply Voltage
V
CC
-0.5
7
V
Input Voltage
V
I
-0.3
V
CC
+0.5
V
Output Voltage
V
O
-0.3
V
CC
+0.5
V
Power Dissipation
P
D
1
W
Operating Temperature
C-Type
K-Type
T
a
0
-40
70
85
°
C
°
C
Storage Temperature
T
stg
-65
150
°
C
Characteristics
All voltages are referenced to V
SS
= 0 V (ground).
All characteristics are valid in the power supply voltage range and in the operating temperature range specified.
Dynamic measurements are based on a rise and fall time of
5 ns, measured between 10 % and 90 % of V
I
, as well as
input levels of V
IL
= 0 V and V
IH
= 3 V. The timing reference level of all input and output signals is 1.5 V,
with the exception of the t
dis
-times and t
en
-times, in which cases transition is measured
±
200 mV from steady-state voltage.
*
H or L
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