參數(shù)資料
型號: SAA4951
廠商: NXP Semiconductors N.V.
英文描述: RES 6.49K OHM 1/16W 0.5% 0402SMD
中文描述: 內(nèi)存控制器
文件頁數(shù): 20/25頁
文件大?。?/td> 95K
代理商: SAA4951
April 1994
20
Philips Semiconductors
Preliminary specification
Memory controller
SAA4951
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
CHARACTERISTICS
Recommended operating conditions
DC Characteristics
SYMBOL
PARAMETER
MIN.
MAX.
UNIT
V
DD
V
I
T
amb
T
stg
supply voltage
input voltage
operating ambient temperature
storage temperature
0.5
0.5
0
40
+6.0
V
DD
+
0.5
+70
+125
V
V
°
C
°
C
SYMBOL
PARAMETER
MIN.
TYP.
MAX.
UNIT
V
DD
V
I
V
O
I
DD
T
amb
T
j
DC supply voltage
DC input voltage
DC output voltage
supply current
operating ambient temperature
junction temperature
4.5
0.5
0.5
0
0
5.0
50
5.5
V
DD
+0.5
V
DD
+0.5
70
140
V
V
V
mA
°
C
°
C
SYMBOL
PARAMETER
T
amb
= +25
°
C
UNIT
TEST CONDITIONS
MIN.
MAX.
V
DD
V
I
OTHER
(V)
(V)
v
IH
TTL-input
HIGH level input voltage
TTL-input
LOW level input voltage
HIGH level output voltage
2.0
2.0
V
4.5
5.5
4.5
5.5
4.5
5.5
4.5
V
IL
0.8
0.8
V
V
OH
4.4
5.4
3.1
V
V
IH
or V
IL
I
0
=
2
μ
A
I
0
=
2
μ
A
I
0
=
4.0 mA/
8.0 mA (SRC)
I
0
=
+
2
μ
A
I
0
=
+
2
μ
A
I
0
=
4.0 mA/
8.0 mA (SRC)
V
OL
LOW level output voltage
0.1
0.1
0.27
V
4.5
5.5
4.5
V
IH
or V
IL
I
LI
R
pull
input leakage current
internal pull-up resistor
for I/O cells
42
35
±
1.0
150
105
μ
A
k
5.5
4.5
5.5
V
DD
or V
SS
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SAA4951WP 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Memory controller
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SAA4956TJ 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2.9-Mbit field memory with noise reduction