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參數(shù)資料
| 型號(hào)： | SAA4955 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 2.9-Mbit field memory |
| 中文描述： | 2.9兆內(nèi)存領(lǐng)域 |
| 文件頁(yè)數(shù)： | 10/28頁(yè) |
| 文件大?。?/td> | 188K |
| 代理商： | SAA4955 |
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1999 Apr 29
10
Philips Semiconductors
Product specification
2.9-Mbit field memory
SAA4955TJ
CHARACTERISTICS
V
DD
= V
DD(O)
= V
DD(P)
= 3.0 to 3.6 V; T
amb
= 0 to 70
°
C; 3 ns input transition times; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
(1)
MAX.
UNIT
Supply
V
DD
, V
DD(O)
supply voltages (pins 19 and 22)
V
DD(P)
supply voltage (pins 20 and 21)
I
DD(tot)
total supply current
(I
DD(tot)
= I
DD
+ I
DD(O)
+ I
DD(P)
)
I
DD
operating supply current
I
DDstd
stand-by supply current
3.0
3.0
3.3
3.3
22
3.6
5.5
70
V
V
mA
minimum write/read
cycle; outputs open
minimum write/read cycle
after 1 RSTW/RSTR
cycle; WE, RE and
OE LOW
minimum write/read
cycle; outputs open
20
3
60
10
mA
mA
I
DD(O)
supply current
2
10
mA
I
DD(P)
supply current
0
1
mA
Inputs (pins 3 to 18 and 23 to 26)
V
IH
V
IL
I
LI
C
i
HIGH-level input voltage
LOW-level input voltage
input leakage current
input capacitance
2.0
0.5
10
V
DD(P)
+ 0.3 V
+0.8
+10
7
V
μ
A
pF
V
I
= 0 V to V
DD(P)
f = 1 MHz; V
I
= 0 V
Outputs (pins 27 to 38)
V
OH
V
OL
I
LO
HIGH-level output voltage
LOW-level output voltage
output leakage current
I
OH
=
5 mA
I
OL
= 4.2 mA
V
O
= 0 V to V
DD(Q)
;
RE and OE LOW
f = 1 MHz; V
O
= 0 V
2.4
10
0.4
+10
V
V
μ
A
C
o
output capacitance
10
pF
Write cycle timing;
note 2
T
cy(SWCK)
t
W(SWCKH)
t
W(SWCKL)
t
su(D)
SWCK cycle time
SWCK HIGH pulse width
SWCK LOW pulse width
set-up time data inputs
(D0 to D11)
hold time data inputs (D0 to D11) see Fig.3
set-up time RSTW
hold time RSTW
set-up time WE
hold time WE
WE LOW pulse width
set-up time IE
hold time IE
IE LOW pulse width
transition time (rise and fall)
see Fig.3
see Fig.3
see Fig.3
see Fig.3
26
7
7
5
ns
ns
ns
ns
t
h(D)
t
su(RSTW)
t
h(RSTW)
t
su(WE)
t
h(WE)
t
W(WEL)
t
su(IE)
t
h(IE)
t
W(IEL)
t
t
3
5
3
5
3
8
5
3
8
3
30
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
see Fig.3
see Fig.3
see Fig.7
see Fig.7
see Fig.7
see Fig.8
see Fig.8
see Fig.8
see Fig.3
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SAA4955TJ | 2.9-Mbit field memory |
| SAA4956TJ | 2.9-Mbit field memory with noise reduction |
| SAA4960 | Integrated PAL comb filter |
| SAA4963 | Integrated NTSC comb filter |
| SAA4963T | Integrated NTSC comb filter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAA4955TJ | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2.9-Mbit field memory |
| SAA4956TJ | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2.9-Mbit field memory with noise reduction |
| SAA4960 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Integrated PAL comb filter |
| SAA4963 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Integrated NTSC comb filter |
| SAA4963T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Integrated NTSC comb filter |
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