參數(shù)資料
型號: HYB 39S256400CT
廠商: SIEMENS AG
英文描述: 256-Mbit(4banks × 16MBit × 4) Synchronous DRAM(256M(4列 × 16M位 × 4)同步動態(tài)RAM)
中文描述: 256兆位(4banks × 16兆× 4)同步DRAM(256M(4列× 1,600位× 4)同步動態(tài)RAM)的
文件頁數(shù): 14/41頁
文件大小: 327K
代理商: HYB 39S256400CT
INFINEON Technologies
14
1.00
HYB39S256400/800/160CT(L)
256MBit Synchronous DRAM
Absolute Maximum Ratings
Operating temperature range .........................................................................................0 to + 70
°
C
Storage temperature range......................................................................................
– 55 to + 150
°
C
Input/output voltage.............................................................................................– 0.3 to Vdd+0.3 V
Power supply voltage V
DD
/ V
DDQ
............................................................................– 0.3 to + 4.6 V
Power Dissipation............................................. ..........................................................................1 W
Data out current (short circuit) ................................................................................................ 50 mA
Note:
Stresses above those listed under
Absolute Maximum Ratings
may cause permanent
damage of the device. Exposure to absolute maximum rating conditions for extended periods
may affect device reliability.
Recommended Operation and Characteristics:
T
A
= 0 to 70
°
C;
V
SS
= 0 V;
V
DD,
V
DDQ
= 3.3 V
±
0.3 V
Notes:
1. All voltages are referenced to VSS.
2. Vih may overshoot to Vdd + 2.0 V for pulse width of < 4ns with 3.3V. Vil may undershoot to
-2.0 V for pulse width < 4.0 ns with 3.3V. Pulse width measured at 50% points with amplitude measured peak
to DC reference.
Capacitance
T
A
= 0 to 70
°
C;
V
DD
= 3.3 V
±
0.3 V,
f
= 1 MHz
Parameter
Symbol
Limit Values
Unit Notes
min.
max.
Input high voltage
V
I
H
V
I
L
V
OH
V
OL
I
I
(L)
2.0
Vdd+0.3
V
1, 2
Input low voltage
Output high voltage (
I
OUT
= – 4.0 mA)
Output low voltage (
I
OUT
= 4.0 mA)
Input leakage current, any input
(0 V <
V
I
N
< Vddq, all other inputs = 0 V)
Output leakage current
(DQ is disabled, 0 V <
V
OUT
<
V
dd
)
– 0.3
0.8
V
1, 2
2.4
V
3
0.4
V
μ
A
3
– 5
5
I
O(L)
– 5
5
μ
A
Parameter
Symbol
Values
Unit
min.
max.
Input capacitance
(CLK)
C
I
1
C
I
2
2.5
3.5
pF
Input capacitance
(A0-A12, BA0,BA1,RAS, CAS, WE, CS, CKE, DQM)
2.5
3.8
pF
Input / Output capacitance
(DQ)
C
I
O
4.0
6.0
pF
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