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PDF M54HC670 Data sheet ( Hoja de datos )

Número de pieza M54HC670
Descripción 4 WORD X 4 BIT REGISTER FILE 3 STATE
Fabricantes ST Microelectronics 
Logotipo ST Microelectronics Logotipo



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No Preview Available ! M54HC670 Hoja de datos, Descripción, Manual

M54HC670
M74HC670
4 WORD X 4 BIT REGISTER FILE (3 STATE)
. HIGH SPEED
tPD = 23 ns (TYP.) AT VCC = 5 V
. LOW POWER DISSIPATION
ICC = 4 µA (MAX.) AT TA = 25 °C
. HIGH NOISE IMMUNITY
VNIH = VNIL = 28 % VCC (MIN.)
. OUTPUT DRIVE CAPABILITY
10 LSTTL LOADS
. SYMMETRICAL OUTPUT IMPEDANCE
|IOH| = IOL = 4 mA (MIN.)
. BALANCED PROPAGATION DELAYS
tPLH = tPHL
. WIDE OPERATING VOLTAGE RANGE
VCC (OPR) = 2 V TO 6 V
. PIN AND FUNCTION COMPATIBLE
WITH 54/74LS670
B1R
(Plastic Package)
F1R
(Ceramic Package)
M 1R
(Micro Package)
C1R
(Chip Carrier)
ORDER CODES :
M 54HC 67 0F 1R
M 74H C6 70 M1 R
M 74HC 67 0B 1R
M 74H C6 70 C1 R
PIN CONNECTIONS (top view)
DESCRIPTION
The M54/74HC670 is a high speed CMOS 4 WORD
X 4 BIT REGISTER FILE (3-STATE) fabricated in
silicon gate C2MOS technology. It has the same
high speed performance of LSTTL combined with
true CMOS low power consumption. The
M54HC/74HC670 is a 4 x 4 Register File organized
as four words by four bits. Separate read and write
inputs, both address and enable, allow simulta-
neous read and write operation. The 3-state outputs
make it possible to connect up to 128 outputs to in-
crease the word capacity up to 512 words. Any num-
ber of these devices can be operated in parallel to
generate an n-bit length. All inputs are equipped with
protection circuits against static discharge and tran-
sient excess voltage.
October 1992
NC =
No Internal
Connection
1/12

1 page




M54HC670 pdf
M54/M74HC670
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6 ns)
Symbol
Parameter
Test Conditions
VCC
(V)
TA = 25 oC
54HC and 74HC
Min. Typ. Max.
Value
-40 to 85 oC
74HC
Min. Max.
-55 to 125 oC
54HC
Min. Max.
Unit
tTLH Output Transition 2.0
tTHL Time
4.5
30 75
8 15
95 110
19 22 ns
6.0 7 13 16 19
tPLH Propagation
tPHL Delay Time
(RA, RB - Qn)
2.0
4.5
6.0
96 185 230 280
24 37 46 56 ns
20 31 39 48
tPLH Propagation
tPHL Delay Time
(WE - Qn)
2.0
4.5
6.0
108 220 275 330
27 44 55 66 ns
23 37 47 56
tPLH Propagation
tPHL Delay Time
(Dn - Qn)
2.0
4.5
6.0
104 185 230 280
26 37 46 56 ns
22 31 39 48
tPZL Output Disable
2.0
tPZH Time
4.5 RL = 1 K
42 110 140 165
13 22 28 33 ns
6.0 11 19 24 28
tPLZ Output Disable
2.0
tPHZ Time
4.5 RL = 1 K
25 95
13 19
120 145
24 29 ns
6.0 11 16 20 25
tW(L) Minimum Pulse
Width
(WE)
2.0
4.5
6.0
16 75
4 15
3 13
95 110
19 22 ns
16 19
ts Minimum Set-up 2.0
Time (Dn - WE) 4.5
(WA, WB - WE) 6.0
12 50 65 75
3 10 13 15 ns
39
11 13
th Minimum Hold 2.0
Time
4.5
(Dn - WE)
6.0
000
0 0 0 ns
000
th Minimum Hold 2.0
Time
4.5
(WA, WB - WE) 6.0
555
5 5 5 ns
555
tlatch Minimum Latch
Time
(WE - RA, RB)
2.0
4.5
6.0
555
5 5 5 ns
555
CIN Input Capacitance
5 10 10 10 pF
CPD (*) Power Dissipation
Capacitance
96
pF
(*) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load.
(Refer to Test Circuit). Average operting current can be obtained by the following equation. ICC(opr) = CPD VCC fIN + ICC
5/12

5 Page





M54HC670 arduino
DIM.
A
B
D
d1
d2
E
e
e3
F
G
M
M1
M54/M74HC670
MIN.
9.78
8.89
4.2
7.37
PLCC20 MECHANICAL DATA
mm
TYP.
2.54
0.56
1.27
5.08
0.38
1.27
1.14
MAX.
10.03
9.04
4.57
MIN.
0.385
0.350
0.165
8.38 0.290
0.101
inch
TYP.
0.100
0.022
0.050
0.200
0.015
0.050
0.045
MAX.
0.395
0.356
0.180
0.330
0.004
P027A
11/12

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