HCC40208B Datasheet, PDF (5/13 Pages) STMicroelectronics – 4 x 4 MULTIPORT REGISTER

HCC/HCF40208B
TRUTH TABLE
Clock
–/–
–/–
X
–/–
Write Write Write Read Read Read Read Enable
Enable 1
0 1A 0A 1B 0B
A
1
S1 S2 S1 S2 S1 S2
1
1
S1 S2 S1 S2 S1 S2
1
X
XXXXXX
0
1
0
0
0
1
1
0
1
–/–
0
0
0
0
1
1
0
1
Enable
B
1
1
0
1
1
D_n
1
0
X
D_n to
Word 0
Word 0
Not
Altered
X
X
X
X
1
0
0
1
1
1
X
–\–
X
XXXXXX
1
1
X
1 = HIGH LEVEL, 0 = LOW LEVEL, X = DON’T CARE,
S1 and S2 refer to input strates of either 1 or 0.
Z = HIGH IMPEDANCE.
Q_nA
1
0
Z
Word 1
Out
Word 1
Out
Word 2
Out
NC
Q_nB
1
0
Z
Word 2
Out
Word 2
Out
Word 1
Out
NC
STATIC ELECTRICAL CHARACTERISTICS (over recommended operating conditions)
Test Conditions
Value
Symbol Parameter
V_I
V_O |I_O | V_{D D}
T _{Lo w}*
25°C
T _High*
Unit
(V) (V) (µA) (V) _{Min. Max. Min. Typ. Max. Min. Max.}
I_L
Quiescent
0/ 5
Current _{HCC 0/10}
Types 0/15
5
5
0.04 5
150
10
10
0.04 10
300
15
20
0.04 20
600
0/20
20
100
0.08 100
3000 µA
0/ 5
HCF
Types
0/10
0/15
5
20
0.04 20
150
10
40
0.04 40
300
15
80
0.04 80
600
V_OH Output High
Voltage
0/ 5
0/10
0/15
< 1 5 4.95
< 1 10 9.95
< 1 15 14.95
4.95
9.95
14.95
4.95
9.95
V
14.95
V_OL Output Low
Voltage
5/0
10/0
15/0
<1 5
0.05
< 1 10
0.05
< 1 15
0.05
0.05
0.05
0.05
0.05 _V
0.05
0.05
V_IH Input High
Voltage
0.5/4.5 < 1 5 3.5
3.5
1/9 < 1 10 7
7
1.5/13.5 < 1 15 11
11
3.5
7
V
11
V_IL Input Low
Voltage
4.5/0.5 < 1 5
1.5
9/1 < 1 10
3
13.5/1.5 < 1 15
4
1.5
1.5
3
3
V
4
4
I _OH Output
0/ 5 2.5
Drive
HCC 0/ 5 4.6
Current _{Types 0/10 9.5}
5 –2
5 – 0.64
10 – 1.6
– 1.6 – 3.2
– 0.51 – 1
– 1.3 – 2.6
– 1.15
– 0.36
– 0.9
0/15 13.5
15 – 4.2
– 3.4 – 6.8
– 2.4
0/ 5 2.5
5 – 1.53
– 1.36 – 3.2
– 1.1
mA
HCF 0/ 5 4.6
Types 0/10 9.5
5 – 0.52
10 – 1.3
– 0.44 – 1
– 1.1 – 2.6
– 0.36
– 0.9
0/15 13.5
15 – 3.6
– 3.0 – 6.8
– 2.4
* TLow = – 55°C for HCC device : – 40°C for HCF device.
* THigh = + 125°C for HCC device : + 85°C for HCF device.
The Noise Margin for both ”1” and ”0” level is : 1V min. with VDD = 5V, 2V min. with VDD = 10V, 2.5V min. with VDD = 15V.
** Forced output disable.
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