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M27256-4F1 [STMICROELECTRONICS]

NMOS 256K 32K x 8 UV EPROM; NMOS 256K 32K ×8 UV EPROM
M27256-4F1
型号： M27256-4F1
厂家： ST    ST
描述：

NMOS 256K 32K x 8 UV EPROM
NMOS 256K 32K ×8 UV EPROM

可编程只读存储器 电动程控只读存储器
文件： 总9页 (文件大小：65K)
中文：  中文翻译
下载：  下载PDF数据表文档文件
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M74HC51  
DUAL 2 WIDE 2 INPUT AND/OR INVERT GATE  
■
■
■
■
■
■
■
HIGH SPEED:  
= 11ns (TYP.) at V = 6V  
t
PD  
CC  
LOW POWER DISSIPATION:  
= 1µA(MAX.) at T =25°C  
I
CC  
A
HIGH NOISE IMMUNITY:  
= V = 28 % V (MIN.)  
V
NIH  
NIL  
CC  
DIP  
SOP  
TSSOP  
T & R  
SYMMETRICAL OUTPUT IMPEDANCE:  
|I | = I = 4mA (MIN)  
OH  
OL  
BALANCED PROPAGATION DELAYS:  
ORDER CODES  
PACKAGE  
t
t
PLH  
PHL  
TUBE  
WIDE OPERATING VOLTAGE RANGE:  
(OPR) = 2V to 6V  
V
DIP  
SOP  
M74HC51B1R  
M74HC51M1R  
CC  
M74HC51RM13TR  
M74HC51TTR  
PIN AND FUNCTION COMPATIBLE WITH  
74 SERIES 51  
TSSOP  
DESCRIPTION  
The internal circuit is composed of 3 stages (2  
INPUT) or 5 stages (3 INPUT) including buffer  
output, which enables high noise immunity and  
stable output.  
The M74HC51 is an high speed CMOS DUAL 2  
WIDE  
2
INPUT AND/OR INVERT GATE  
2
fabricated with silicon gate C MOS technology.  
It contains a 2-WIDE 2-INPUT AND/OR INVERT  
All inputs are equipped with protection circuits  
against static discharge and transient excess  
voltage.  
GATE and a 2-WIDE 3-INPUT  
INVERT GATE.  
AND/OR  
PIN CONNECTION AND IEC LOGIC SYMBOLS  
August 2001  
1/9  
M74HC51  
INPUT AND OUTPUT EQUIVALENT CIRCUIT  
PIN DESCRIPTION  
PIN No  
SYMBOL  
NAME AND FUNCTION  
1, 12, 13, 9,  
10, 11  
1A to 1F  
Data Inputs  
2, 3, 4, 5  
2A to 2D  
1Y to 2Y  
GND  
Data Inputs  
8, 6  
7
Data Outputs  
Ground (0V)  
V
14  
Positive Supply Voltage  
CC  
TRUTH TABLE  
1A  
1B  
1C  
1D  
1E  
1F  
1Y  
H
X
H
X
H
X
X
H
X
H
X
H
L
L
ALL OTHER COMBINATIONS  
H
TRUTH TABLE  
2A  
2B  
2C  
2D  
2Y  
H
X
H
X
X
H
X
H
L
L
ALL OTHER COMBINATIONS  
H
X : Don’t Care  
ABSOLUTE MAXIMUM RATINGS  
Symbol  
Parameter  
Value  
Unit  
V
Supply Voltage  
-0.5 to +7  
V
V
CC  
V
DC Input Voltage  
-0.5 to V  
-0.5 to V  
+ 0.5  
+ 0.5  
I
CC  
CC  
V
DC Output Voltage  
DC Input Diode Current  
DC Output Diode Current  
DC Output Current  
V
O
I
± 20  
± 20  
mA  
mA  
mA  
mA  
mW  
°C  
IK  
I
OK  
I
± 25  
O
I
or I  
DC V  
or Ground Current  
CC  
± 50  
CC  
GND  
P
Power Dissipation  
500(*)  
D
T
Storage Temperature  
Lead Temperature (10 sec)  
-65 to +150  
300  
stg  
T
°C  
L
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is  
not implied  
(*) 500mW at 65 °C; derate to 300mW by 10mW/°C from 65°C to 85°C  
2/9  
M74HC51  
RECOMMENDED OPERATING CONDITIONS  
Symbol  
Parameter  
Value  
Unit  
V
Supply Voltage  
2 to 6  
0 to V  
V
V
CC  
V
Input Voltage  
I
CC  
V
Output Voltage  
0 to V  
CC  
V
O
T
Operating Temperature  
Input Rise and Fall Time  
-55 to 125  
0 to 1000  
0 to 500  
0 to 400  
°C  
ns  
ns  
ns  
op  
V
V
V
= 2.0V  
= 4.5V  
= 6.0V  
CC  
CC  
CC  
t , t  
r
f
DC SPECIFICATIONS  
Test Condition  
Value  
-40 to 85°C -55 to 125°C Unit  
T
= 25°C  
Symbol  
Parameter  
A
V
CC  
(V)  
Min. Typ. Max. Min. Max. Min. Max.  
V
High Level Input  
Voltage  
2.0  
4.5  
6.0  
2.0  
4.5  
6.0  
2.0  
1.5  
3.15  
4.2  
1.5  
3.15  
4.2  
1.5  
3.15  
4.2  
IH  
V
V
V
Low Level Input  
Voltage  
0.5  
1.35  
1.8  
0.5  
1.35  
1.8  
0.5  
1.35  
1.8  
IL  
V
High Level Output  
Voltage  
I =-20 µA  
1.9  
4.4  
5.9  
2.0  
4.5  
6.0  
1.9  
4.4  
1.9  
4.4  
OH  
O
I =-20 µA  
4.5  
6.0  
4.5  
6.0  
2.0  
4.5  
6.0  
4.5  
6.0  
O
I =-20 µA  
5.9  
5.9  
V
V
O
I =-4.0 mA  
4.18 4.31  
4.13  
5.63  
4.10  
5.60  
O
I =-5.2 mA  
5.68  
5.8  
0.0  
0.0  
0.0  
O
V
Low Level Output  
Voltage  
I =20 µA  
0.1  
0.1  
0.1  
0.1  
0.1  
0.1  
0.1  
OL  
O
I =20 µA  
O
I =20 µA  
0.1  
0.1  
O
I =4.0 mA  
0.17 0.26  
0.18 0.26  
0.33  
0.33  
0.40  
0.40  
O
I =5.2 mA  
O
I
Input Leakage  
Current  
I
V = V  
or GND  
6.0  
6.0  
± 0.1  
± 1  
± 1  
µA  
µA  
I
CC  
CC  
I
Quiescent Supply  
Current  
CC  
V = V  
or GND  
1
10  
20  
I
3/9  
M74HC51  
AC ELECTRICAL CHARACTERISTICS (C = 50 pF, Input t = t = 6ns)  
L
r
f
Test Condition  
Value  
T
= 25°C  
Symbol  
Parameter  
-40 to 85°C -55 to 125°C Unit  
A
V
CC  
(V)  
Min. Typ. Max. Min. Max. Min. Max.  
t
t
Output Transition  
Time  
2.0  
4.5  
6.0  
2.0  
4.5  
6.0  
30  
8
75  
15  
95  
19  
110  
22  
TLH THL  
ns  
ns  
7
13  
16  
19  
t
t
Propagation Delay  
Time  
39  
13  
11  
100  
20  
125  
25  
150  
30  
PLH PHL  
17  
21  
26  
CAPACITIVE CHARACTERISTICS  
Test Condition  
Value  
-40 to 85°C -55 to 125°C Unit  
T
= 25°C  
Symbol  
Parameter  
A
V
CC  
(V)  
Min. Typ. Max. Min. Max. Min. Max.  
C
Input Capacitance  
5.0  
5
10  
10  
10  
pF  
pF  
IN  
C
Power Dissipation  
Capacitance (note  
1)  
PD  
5.0  
32  
1) C is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without  
PD  
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I  
= C x V x f + I  
CC(opr)  
PD CC IN CC  
TEST CIRCUIT  
C
R
= 50pF or equivalent (includes jig and probe capacitance)  
L
T
= Z  
of pulse generator (typically 50Ω)  
OUT  
4/9  
M74HC51  
WAVEFORM : PROPAGATION DELAY TIMES (f=1MHz; 50% duty cycle)  
5/9  
M74HC51  
Plastic DIP-14 MECHANICAL DATA  
mm.  
inch  
DIM.  
MIN.  
0.51  
1.39  
TYP  
MAX.  
MIN.  
0.020  
0.055  
TYP.  
MAX.  
a1  
B
b
1.65  
0.065  
0.5  
0.020  
0.010  
b1  
D
E
e
0.25  
20  
0.787  
8.5  
2.54  
0.335  
0.100  
0.600  
e3  
F
15.24  
7.1  
5.1  
0.280  
0.201  
I
L
3.3  
0.130  
Z
1.27  
2.54  
0.050  
0.100  
P001A  
6/9  
M74HC51  
SO-14 MECHANICAL DATA  
mm.  
inch  
DIM.  
MIN.  
TYP  
MAX.  
1.75  
0.2  
MIN.  
TYP.  
MAX.  
0.068  
0.007  
0.064  
0.018  
0.010  
A
a1  
a2  
b
0.1  
0.003  
1.65  
0.46  
0.25  
0.35  
0.19  
0.013  
0.007  
b1  
C
0.5  
0.019  
c1  
D
45° (typ.)  
8.55  
5.8  
8.75  
6.2  
0.336  
0.228  
0.344  
0.244  
E
e
1.27  
7.62  
0.050  
0.300  
e3  
F
3.8  
4.6  
0.5  
4.0  
5.3  
0.149  
0.181  
0.019  
0.157  
0.208  
0.050  
0.026  
G
L
1.27  
0.68  
M
S
8° (max.)  
PO13G  
7/9  
M74HC51  
TSSOP14 MECHANICAL DATA  
mm.  
inch  
DIM.  
MIN.  
TYP  
MAX.  
1.2  
MIN.  
TYP.  
MAX.  
0.047  
0.006  
0.041  
0.012  
0.0089  
0.201  
0.260  
0.176  
A
A1  
A2  
b
0.05  
0.8  
0.15  
1.05  
0.30  
0.20  
5.1  
0.002  
0.031  
0.007  
0.004  
0.193  
0.244  
0.169  
0.004  
0.039  
1
0.19  
0.09  
4.9  
c
D
5
6.4  
0.197  
0.252  
E
6.2  
6.6  
E1  
e
4.3  
4.4  
4.48  
0.173  
0.65 BSC  
0.0256 BSC  
K
0°  
8°  
0°  
8°  
L
0.45  
0.60  
0.75  
0.018  
0.024  
0.030  
A2  
A
K
L
b
e
A1  
c
E
D
E1  
PIN 1 IDENTIFICATION  
1
0080337D  
8/9  
M74HC51  
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the  
consequences of use of such information nor for any infringement of patents or other rights of third parties which may resultfrom  
its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications  
mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information  
previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or  
systems without express written approval of STMicroelectronics.  
The ST logo is a registered trademark of STMicroelectronics  
2001 STMicroelectronics - Printed in Italy - All Rights Reserved  
STMicroelectronics GROUP OF COMPANIES  
Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco  
Singapore - Spain - Sweden - Switzerland - United Kingdom  
http://www.st.com  
9/9  

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