M27C1024-70XF7X [STMICROELECTRONICS]

1 Mbit 64Kb x16 UV EPROM and OTP EPROM; 1兆位64Kb的X16 UV EPROM和OTP EPROM
M27C1024-70XF7X
型号: M27C1024-70XF7X
厂家: ST    ST
描述:

1 Mbit 64Kb x16 UV EPROM and OTP EPROM
1兆位64Kb的X16 UV EPROM和OTP EPROM

存储 内存集成电路 可编程只读存储器 电动程控只读存储器
文件: 总15页 (文件大小:106K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
M27C1024  
1 Mbit (64Kb x16) UV EPROM and OTP EPROM  
5V ± 10% SUPPLYVOLTAGEin READ  
OPERATION  
FASTACCESS TIME: 35ns  
LOW POWER CONSUMPTION:  
– Active Current 35mA at 5MHz  
– StandbyCurrent 100µA  
40  
40  
1
1
PROGRAMMING VOLTAGE: 12.75V ± 0.25V  
PROGRAMMING TIME: 100µs/byte (typical)  
ELECTRONIC SIGNATURE  
– ManufacturerCode: 0020h  
– Device Code: 008Ch  
FDIP40W (F)  
PDIP40 (B)  
DESCRIPTION  
PLCC44 (C)  
TSOP40 (N)  
10 x 14mm  
The M27C1024 is a 1 Mbit EPROM offered in the  
two ranges UV (ultra violet erase) and OTP (one  
time programmable). It is ideally suited for micro-  
processorsystems requiringlargedata or program  
storage and is organized as 65,536 words of 16  
bits.  
Figure 1. Logic Diagram  
The FDIP40W (window ceramic frit-seal package)  
has a transparent lid which allows the user to  
expose the chip to ultraviolet light to erase the bit  
pattern. A new pattern can then be written to the  
device by following the programming procedure.  
V
V
PP  
CC  
For application where the content is programmed  
only one time and erasure is not required, the  
M27C1024 is offered in PDIP40, PLCC44 and  
TSOP40 (10 x 14mm) packages.  
16  
16  
A0-A15  
Q0-Q15  
Table 1. Signal Names  
P
E
M27C1024  
A0-A15  
Q0-Q15  
E
Address Inputs  
Data Outputs  
Chip Enable  
Output Enable  
Program  
G
G
P
V
SS  
VPP  
VCC  
VSS  
Program Supply  
Supply Voltage  
Ground  
AI00702B  
September 1998  
1/15  
M27C1024  
Figure 2A. DIP Pin Connections  
Figure 2B. LCC Pin Connections  
V
1
2
3
4
5
6
7
8
9
40  
39  
V
P
PP  
E
CC  
Q15  
Q14  
Q13  
Q12  
Q11  
Q10  
Q9  
38 NC  
37 A15  
36 A14  
35 A13  
34 A12  
33 A11  
32 A10  
31 A9  
1 44  
Q12  
A13  
A12  
A11  
A10  
A9  
Q11  
Q10  
Q9  
Q8  
Q8 10  
M27C1024  
V
12  
M27C1024  
34  
V
SS  
SS  
V
SS  
11  
30  
V
SS  
NC  
Q7  
Q6  
Q5  
Q4  
NC  
A8  
A7  
A6  
A5  
Q7 12  
Q6 13  
Q5 14  
Q4 15  
Q3 16  
Q2 17  
Q1 18  
Q0 19  
29 A8  
28 A7  
27 A6  
26 A5  
25 A4  
24 A3  
23 A2  
22 A1  
21 A0  
23  
AI00704  
G
20  
AI00703  
Warning: NC = Not Connected.  
Warning: NC = Not Connected.  
Figure 2C. TSOP Pin Connections  
DEVICE OPERATION  
The modes of operations of the M27C1024 are  
listedin the OperatingModes table. Asingle power  
supply is required in the read mode. All inputs are  
TTL levels except for Vpp and 12V on A9 for  
ElectronicSignature.  
A9  
A10  
A11  
A12  
A13  
A14  
A15  
NC  
1
40  
V
SS  
A8  
A7  
A6  
Read Mode  
A5  
The M27C1024 has two control functions, both of  
which must be logically active in order to obtain  
data at the outputs. Chip Enable (E) is the power  
control and should be used for device selection.  
OutputEnable(G) is the outputcontrol and should  
be used to gate data to the output pins, inde-  
pendent of device selection. Assuming that the  
addresses are stable, the address access time  
(tAVQV)is equalto thedelayfrom Etooutput(tELQV).  
Data is available at the output after a delay of tOE  
from the falling edge of G, assuming that E has  
been low and the addresses have been stable for  
A4  
A3  
A2  
P
A1  
V
CC  
10 M27C1024  
31  
30  
A0  
(Normal)  
V
PP  
E
11  
G
DQ0  
DQ1  
DQ2  
DQ3  
DQ4  
DQ5  
DQ6  
DQ7  
DQ15  
DQ14  
DQ13  
DQ12  
DQ11  
DQ10  
DQ9  
at least tAVQV-tGLQV  
.
Standby Mode  
The M27C1024 has a standby mode which re-  
duces the active current from 35mAto 100µA.  
DQ8  
20  
21  
V
SS  
The M27C1024 is placed in the standby mode by  
applyinga TTL high signal to the E input. When in  
thestandby mode, theoutputs are in a high imped-  
ance state, independentof the G input.  
AI01582  
Warning: NC = Not Connected.  
2/15  
M27C1024  
Table 2. Absolute Maximum Ratings (1)  
Symbol  
TA  
Parameter  
Ambient Operating Temperature (3)  
Temperature Under Bias  
Storage Temperature  
Value  
–40 to 125  
–50 to 125  
–65 to 150  
–2 to 7  
Unit  
°C  
TBIAS  
TSTG  
C
°
°C  
V
(2)  
VIO  
Input or Output Voltages (except A9)  
Supply Voltage  
VCC  
–2 to 7  
V
(2)  
VA9  
A9 Voltage  
–2 to 13.5  
–2 to 14  
V
VPP  
Program Supply Voltage  
V
Notes: 1. Except for the rating ”Operating Temperature Range”, stresses above those listed in the Table ”AbsoluteMaximum Ratings”  
may cause permanent damage to the device. These are stress ratings only and operation of the device at these or any other  
conditions above those indicated in the Operating sections of this specification is not implied. Exposure to Absolute Maximum  
Rating conditions for extended periods may affect device reliability. Refer also to the STMicroelectronics SURE Program and other  
relevant quality documents.  
2. Minimum DC voltage on Input or Output is –0.5V with possible undershoot to –2.0Vfor a period less than 20ns. Maximum DC  
voltage on Output is VCC +0.5V with possible overshoot to VCC +2V for a period less than 20ns.  
3. Depends on range.  
Table 3. Operating Modes  
Mode  
E
G
VIL  
VIH  
X
P
A9  
X
VPP  
VCC or VSS  
VCC or VSS  
VPP  
Q0 - Q15  
Data Output  
Hi-Z  
Read  
VIL  
VIL  
VIL  
VIL  
VIH  
VIH  
VIL  
VIH  
Output Disable  
Program  
X
X
VIL Pulse  
X
Data Input  
Data Output  
Hi-Z  
Verify  
VIL  
X
VIH  
X
X
VPP  
Program Inhibit  
Standby  
X
VPP  
X
X
X
VCC or VSS  
VCC  
Hi-Z  
Electronic Signature  
VIL  
VIH  
VID  
Codes  
Note: X = VIH or VIL, VID = 12V ±0.5V  
Table 4. Electronic Signature  
Identifier  
Manufacturer’s Code  
Device Code  
A0  
VIL  
VIH  
Q7  
0
Q6  
Q5  
1
Q4  
0
Q3  
0
Q2  
0
Q1  
0
Q0  
Hex Data  
20h  
0
0
0
0
1
0
0
1
1
0
8Ch  
Note: Outputs Q8-Q15 are set to ’0’.  
3/15  
M27C1024  
Table 5. AC Measurement Conditions  
High Speed  
10ns  
Standard  
20ns  
Input Rise and Fall Times  
Input Pulse Voltages  
0 to 3V  
1.5V  
0.4V to 2.4V  
0.8V and 2V  
Input and Output Timing Ref. Voltages  
Figure 3. AC Testing Input Output Waveform  
Figure 4. AC Testing Load Circuit  
1.3V  
High Speed  
1N914  
3V  
1.5V  
3.3kΩ  
0V  
DEVICE  
UNDER  
TEST  
OUT  
Standard  
C
L
2.4V  
2.0V  
0.8V  
0.4V  
C
C
C
= 30pF for High Speed  
= 100pF for Standard  
includes JIG capacitance  
L
L
L
AI01822  
AI01823B  
Table 6. Capacitance (1) (TA = 25 °C, f = 1 MHz )  
Symbol  
CIN  
Parameter  
Input Capacitance  
Output Capacitance  
Test Condition  
VIN = 0V  
Min  
Max  
6
Unit  
pF  
COUT  
VOUT = 0V  
12  
pF  
Note: 1. Sampled only, not 100% tested.  
Two Line Output Control  
controlbus. This ensures that all deselectedmem-  
ory devices are in their low power standby mode  
and that the output pins are only active when data  
is required from a particular memory device.  
BecauseEPROMsare usuallyused in largermem-  
ory arrays, this product features a 2 line control  
function which accommodates the use of multiple  
memory connection. The two line control function  
allows:  
SystemConsiderations  
The power switching characteristics of Advanced  
CMOS EPROMs require careful decoupling of the  
devices. The supply current, ICC, has three seg-  
ments that are of interest to the system designer :  
the standby current level, the active current level,  
and transient current peaks that are produced by  
the falling and rising edges of E. Themagnitudeof  
transientcurrentpeaksisdependentonthe capaci-  
tive and inductive loading of the device at the  
output.  
a. the lowest possible memory power dissipation,  
b. completeassurancethat output bus contention  
will not occur.  
Forthe mostefficientuse of thesetwo controllines,  
E should be decoded and used as the primary  
device selecting function,while G should be made  
a common connection to all devices in the array  
and connected to the READ line from the system  
4/15  
M27C1024  
Table 7. Read Mode DC Characteristics(1)  
(TA = 0 to 70 °C, –40 to 85 °C; –40 to 105 °C or –40 to 125 °C; VCC = 5V ± 5% or 5V ± 10%; VPP = VCC  
)
Symbol  
ILI  
Parameter  
Input Leakage Current  
Output Leakage Current  
Test Condition  
Min  
Max  
Unit  
0V VIN VCC  
±10  
µA  
ILO  
0V  
V
OUT  
V
CC  
10  
±
A
µ
E = VIL, G = VIL,  
IOUT = 0mA, f = 5MHz  
ICC  
Supply Current  
35  
mA  
ICC1  
ICC2  
IPP  
Supply Current (Standby) TTL  
Supply Current (Standby) CMOS  
Program Current  
E = VIH  
E > VCC – 0.2V  
VPP = VCC  
1
100  
mA  
µA  
100  
A
µ
VIL  
Input Low Voltage  
–0.3  
2
0.8  
V
(2)  
VIH  
Input High Voltage  
VCC + 1  
0.4  
V
V
V
V
VOL  
VOH  
Output Low Voltage  
IOL = 2.1mA  
Output High Voltage TTL  
Output High Voltage CMOS  
IOH = –400 A  
2.4  
µ
IOH = –100 A  
VCC – 0.7  
µ
Notes: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously with or afterVPP.  
2. Maximum DC voltage on Output is VCC +0.5V.  
Table 8A. Read Mode AC Characteristics (1)  
(TA = 0 to 70 °C, –40 to 85 °C; –40 to 105 °C or –40 to 125 °C; VCC = 5V ± 5% or 5V ± 10%; VPP = VCC  
)
M27C1024  
Symbol  
Alt  
Parameter  
Test Condition  
Unit  
-35 (3)  
-45 (3)  
-55 (3)  
Min Max Min Max Min Max  
tAVQV  
tELQV  
tGLQV  
tACC Address Valid to Output Valid  
tCE Chip Enable Low to Output Valid  
tOE Output Enable Low to Output Valid  
tDF Chip Enable High to Output Hi-Z  
tDF Output Enable High to Output Hi-Z  
E = VIL, G = VIL  
G = VIL  
35  
35  
20  
30  
30  
45  
45  
25  
30  
30  
55  
55  
30  
30  
30  
ns  
ns  
ns  
ns  
ns  
E = VIL  
(2)  
tEHQZ  
G = VIL  
0
0
0
0
0
0
(2)  
tGHQZ  
E = VIL  
Address Transition to Output  
Transition  
tAXQX  
tOH  
E = VIL, G = VIL  
0
0
0
ns  
Notes: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously with or afterVPP.  
2. Sampled only, not 100% tested.  
3. Speed obtained with High Speed AC measurementconditions.  
5/15  
M27C1024  
Table 8B. Read Mode AC Characteristics (1)  
(TA = 0 to 70 °C, –40 to 85 °C; –40 to 105 °C or –40 to 125 °C; VCC = 5V ± 5% or 5V ± 10%; VPP = VCC  
)
M27C1024  
Symbol  
Alt  
Parameter  
Test Condition  
Unit  
-10/-12/  
-15/-20  
-70  
-80/-90  
Min Max Min Max Min Max  
tAVQV  
tELQV  
tGLQV  
tACC Address Valid to Output Valid  
tCE Chip Enable Low to Output Valid  
tOE Output Enable Low to Output Valid  
tDF Chip Enable High to Output Hi-Z  
tDF Output Enable High to Output Hi-Z  
E = VIL, G = VIL  
G = VIL  
70  
70  
35  
30  
30  
80  
80  
40  
30  
30  
100  
100  
50  
ns  
ns  
ns  
ns  
ns  
E = VIL  
(2)  
tEHQZ  
G = VIL  
0
0
0
0
0
0
30  
(2)  
tGHQZ  
E = VIL  
30  
Address Transition to Output  
Transition  
tAXQX  
tOH  
E = VIL, G = VIL  
0
0
0
ns  
Notes: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously with or afterVPP.  
2. Sampled only, not 100% tested.  
Figure 5. Read Mode AC Waveforms  
VALID  
tAVQV  
VALID  
A0-A15  
E
tAXQX  
tEHQZ  
tGHQZ  
tGLQV  
G
tELQV  
Hi-Z  
Q0-Q15  
AI00705B  
6/15  
M27C1024  
Table 9. ProgrammingMode DC Characteristics (1)  
(TA = 25 °C; VCC = 6.25V ± 0.25V;VPP = 12.75V ± 0.25V)  
Symbol  
ILI  
Parameter  
Input Leakage Current  
Supply Current  
Test Condition  
Min  
Max  
10  
Unit  
0
V
IN  
V
IH  
A
µ
±
ICC  
50  
mA  
mA  
V
IPP  
Program Current  
Input Low Voltage  
Input High Voltage  
Output Low Voltage  
Output High Voltage TTL  
A9 Voltage  
E = VIL  
50  
0.8  
VIL  
–0.3  
2
VIH  
VCC + 0.5  
0.4  
V
VOL  
VOH  
VID  
IOL = 2.1mA  
IOH = –400 A  
V
2.4  
V
µ
11.5  
12.5  
V
Note: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously with or afterVPP  
.
Table 10. ProgrammingMode AC Characteristics(1)  
(TA = 25 °C; VCC = 6.25V ± 0.25V;VPP = 12.75V ± 0.25V)  
Symbol  
tAVPL  
Alt  
tAS  
Parameter  
Test Condition  
Min  
2
Max  
Unit  
Address Valid to Program Low  
Input Valid to Program Low  
VPP High to Program Low  
VCC High to Program Low  
Chip Enable Low to Program Low  
Program Pulse Width  
s
s
s
s
s
s
s
µ
µ
µ
µ
µ
µ
µ
tQVPL  
tDS  
2
tVPHPL  
tVCHPL  
tELPL  
tVPS  
tVCS  
tCES  
tPW  
tDH  
2
2
2
tPLPH  
95  
2
105  
tPHQX  
Program High to Input Transition  
Input Transition to Output Enable  
Low  
tQXGL  
tGLQV  
tOES  
2
s
µ
tOE  
Output Enable Low to Output Valid  
Output Enable High to Output Hi-Z  
100  
130  
ns  
ns  
(2)  
tGHQZ  
tDFP  
0
0
Output Enable High to Address  
Transition  
tGHAX  
tAH  
ns  
Notes: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously with or afterVPP  
.
2. Sampled only, not 100% tested.  
7/15  
M27C1024  
Figure 6. Programmingand Verify Modes AC Waveforms  
VALID  
A0-A15  
Q0-Q15  
tAVPL  
tQVPL  
DATA IN  
DATA OUT  
tPHQX  
V
PP  
tVPHPL  
tVCHPL  
tGLQV  
tGHQZ  
tGHAX  
V
CC  
E
tELPL  
tPLPH  
P
tQXGL  
G
PROGRAM  
VERIFY  
AI00706  
DEVICE OPERATION  
(cont’d)  
be present in the data word. The only way to  
changea 0’ to a ’1is by die exposureto ultraviolet  
light (UV EPROM). The M27C1024 is in the pro-  
gramming mode when VPP input is at 12.75V,E is  
The associated transient voltage peaks can be  
suppressed by complying with the two line output  
control and by properly selected decoupling ca-  
pacitors. It is recommended that a 0.1µF ceramic  
capacitor be used on every device between VCC  
andVSS. Thisshouldbe a highfrequencycapacitor  
of low inherent inductance and should be placed  
as close to the device as possible. In addition, a  
4.7µF bulk electrolytic capacitor should be used  
between Vcc and VSS for every eight devices. The  
bulk capacitor should be located near the power  
supply connection point. The purpose of the bulk  
capacitor is to overcome the voltage drop caused  
by the inductive effects of PCB traces.  
at VIL and P is pulsed to V . The data to be  
IL  
programmed is applied to 16 bits in parallel to the  
data output pins. The levels required for the ad-  
dress and data inputs are TTL. VCC is specified to  
be 6.25V ± 0.25V.  
PRESTO II Programming Algorithm  
PRESTO II Programming Algorithm allows pro-  
gramming of the whole array with a guaranteed  
margin, in a typical time of 6.5 seconds.Program-  
ming with PRESTO II consists of applying a se-  
quenceof 100µs programpulsestoeach worduntil  
a correct verify occurs (see Figure 7). During pro-  
gramming and verify operation, a MARGIN MODE  
circuit is automaticallyactivatedin orderto guaran-  
tee that each cell is programmed with enough  
margin. No overprogrampulse is appliedsincethe  
verify in MARGIN MODE provides necessarymar-  
gin to each programmedcell.  
Programming  
Whendelivered (and aftereach ’1’s erasureforUV  
EPROM), all bits of the M27C1024 are in the ’1’  
state. Data is introduced by selectively program-  
ming ’0’s into the desired bit locations. Although  
only ’0’s will be programmed,both ’1’s and0’s can  
8/15  
M27C1024  
Figure 7. ProgrammingFlowchart  
Electronic Signature  
The Electronic Signature (ES) mode allows the  
reading out of a binary code from an EPROM that  
will identify its manufacturer and type. This mode  
is intended for use by programming equipment to  
automatically match the device to be programmed  
withits correspondingprogrammingalgorithm.The  
ES mode is functional in the 25°C ± 5°C ambient  
temperaturerange that is required when program-  
ming the M27C1024.To activatethe ESmode, the  
programmingequipmentmustforce11.5Vto 12.5V  
V
= 6.25V, V = 12.75V  
PP  
CC  
n = 0  
P = 100µs Pulse  
NO  
on address line A9 of the M27C1024 with VPP  
=
NO  
++n  
= 25  
VERIFY  
YES  
++ Addr  
VCC = 5V. Two identifier bytes may then be se-  
quenced from the device outputs by toggling ad-  
YES  
dresslineA0 from VIL to V . All otheraddresslines  
IH  
must be held at VIL during Electronic Signature  
mode. Byte 0 (A0=V ) represents the manufac-  
Last  
Addr  
NO  
IL  
FAIL  
turercode and byte 1 (A0=V ) the deviceidentifier  
IH  
code. For the STMicroelectronics M27C1024,  
these two iden-tifier bytes are given in Table 4 and  
can be read-out on outputsQ0 to Q7.  
YES  
CHECK ALL WORDS  
1st: V  
2nd: V  
= 6V  
= 4.2V  
CC  
CC  
ERASUREOPERATION (applies to UV EPROM)  
The erasure characteristics of the M27C1024 is  
such that erasure begins when the cells are ex-  
posed to light with wavelengths shorter than ap-  
proximately4000Å. It shouldbe notedthatsunlight  
and some type of fluorescent lamps have wave-  
lengthsin the3000-4000Årange.Researchshows  
that constant exposure to room level fluorescent  
lightingcould erase a typicalM27C1024 in about 3  
years, while it would take approximately1 week to  
cause erasure when exposed to direct sunlight. If  
the M27C1024 is to be exposed to these types of  
lighting conditions for extended periods of time, it  
is suggested that opaque labels be put over the  
M27C1024 window to prevent unintentional era-  
sure.The recommendederasure procedurefor the  
M27C1024 is exposure to short wave ultraviolet  
light whichhas wavelength2537 Å. Theintegrated  
dose(i.e. UVintensityx exposuretime)for erasure  
should be a minimum of 15 W-sec/cm2. The era-  
sure time with this dosage is approximately 15 to  
20 minutes using an ultraviolet lamp with  
12000 µW/cm2 power rating. The M27C1024  
shouldbe placedwithin 2.5 cm (1 inch) of thelamp  
tubesduring the erasure.Some lamps have a filter  
on their tubes which should be removed before  
erasure.  
AI00707C  
Program Inhibit  
Programming of multiple M27C1024s in parallel  
with different data is also easily accomplished.  
Except for E, all like inputs including G of the  
parallel M27C1024 may be common. A TTL low  
level pulse applied to a M27C1024’s P input, with  
E low and VPP at 12.75V, will program that  
M27C1024. A high level E input inhibits the other  
M27C1024sfrom being programmed.  
Program Verify  
A verify (read) should be performed on the pro-  
grammedbitsto determinethatthey werecorrectly  
programmed. The verify is accomplished with E  
and G at VIL, P at VIH, VPP at 12.75V and VCC at  
6.25V.  
On-Board Programming  
TheM27C1024 can be directlyprogrammed in the  
application circuit. See the relevant Application  
Note AN620.  
9/15  
M27C1024  
ORDERING INFORMATION SCHEME  
Example:  
M27C1024 -12 X  
C
1
X
Speed  
35ns  
V
CC Tolerance  
Package  
FDIP40W  
PDIP40  
Temperature Range  
Option  
-35 (1)  
-45 (1)  
-55 (1)  
-70  
blank  
X
10%  
5%  
F
B
C
N
1
6
7
3
0 to 70 C  
X
Additional  
Burn-in  
±
±
°
45ns  
55ns  
–40 to 85 C  
°
TR  
Tape & Reel  
Packing  
PLCC44  
–40 to 105 °C  
–40 to 125 °C  
70ns  
TSOP40  
10 x 14mm  
-80  
80ns  
-90  
90ns  
-10  
100ns  
120ns  
150ns  
200ns  
100ns  
-12  
-15  
-20  
-10  
Note: 1. High Speed, see AC Characteristics section for furtherinformation.  
Fora list ofavailableoptions(Speed, Package,etc...)or for furtherinformationon anyaspect of thisdevice,  
please contact the STMicroelectronics Sales Office nearest to you.  
10/15  
M27C1024  
FDIP40W - 40 pin Ceramic Frit-seal DIP, with window  
mm  
Min  
inches  
Min  
Symb  
Typ  
Max  
5.72  
1.40  
4.57  
4.50  
0.56  
Typ  
Max  
0.225  
0.055  
0.180  
0.177  
0.022  
A
A1  
A2  
A3  
B
0.51  
3.91  
3.89  
0.41  
0.020  
0.154  
0.153  
0.016  
B1  
C
1.45  
0.057  
0.23  
51.79  
0.30  
52.60  
0.009  
2.039  
0.012  
2.071  
D
D2  
E
48.26  
15.24  
1.900  
0.600  
E1  
e
13.06  
13.36  
0.514  
0.526  
2.54  
0.100  
1.900  
eA  
eB  
L
14.99  
16.18  
3.18  
1.52  
18.03  
0.637  
0.125  
0.060  
0.710  
S
2.49  
0.098  
8.13  
0.320  
α
4°  
11°  
4°  
11°  
N
40  
40  
A2  
A3  
A1  
A
L
α
B1  
B
e
C
eA  
eB  
D2  
D
S
N
1
E1  
E
FDIPW-a  
Drawing is not to scale.  
11/15  
M27C1024  
PDIP40 - 40 pin Plastic DIP, 600 mils width  
mm  
Min  
inches  
Symb  
Typ  
4.45  
0.64  
Max  
Typ  
Min  
Max  
A
A1  
A2  
B
0.175  
0.025  
0.38  
3.56  
0.38  
1.14  
0.20  
51.78  
0.015  
0.140  
0.015  
0.045  
0.008  
2.039  
3.91  
0.53  
1.78  
0.31  
52.58  
0.154  
0.021  
0.070  
0.012  
2.070  
B1  
C
D
D2  
E
48.26  
1.900  
14.80  
13.46  
16.26  
13.99  
0.583  
0.530  
0.640  
0.551  
E1  
e1  
eA  
eB  
L
2.54  
0.100  
0.600  
15.24  
15.24  
3.05  
1.52  
17.78  
3.81  
2.29  
0.600  
0.120  
0.060  
0É  
0.700  
0.150  
0.090  
S
0
°
15  
°
15  
°
α
N
40  
40  
A2  
A
L
A1  
e1  
α
C
B1  
B
D2  
eA  
eB  
D
S
N
1
E1  
E
PDIP  
Drawing is not to scale.  
12/15  
M27C1024  
PLCC44 - 44 lead Plastic Leaded Chip Carrier, square  
mm  
Min  
4.20  
2.29  
0.33  
0.66  
17.40  
16.51  
14.99  
17.40  
16.51  
14.99  
inches  
Min  
Symb  
Typ  
Max  
4.70  
3.04  
0.53  
0.81  
17.65  
16.66  
16.00  
17.65  
16.66  
16.00  
Typ  
Max  
0.185  
0.120  
0.021  
0.032  
0.695  
0.656  
0.630  
0.695  
0.656  
0.630  
A
A1  
B
0.165  
0.090  
0.013  
0.026  
0.685  
0.650  
0.590  
0.685  
0.650  
0.590  
B1  
D
D1  
D2  
E
E1  
E2  
e
1.27  
0.89  
0.050  
0.035  
j
N
44  
44  
CP  
0.10  
0.004  
D
A1  
D1  
A2  
1 N  
B1  
e
Ne  
E1 E  
D2/E2  
F
B
0.51 (.020)  
1.14 (.045)  
Nd  
A
R
CP  
PLCC  
Drawing is not to scale.  
13/15  
M27C1024  
TSOP40 - 40 lead Plastic Thin Small Outline, 10 x 14mm  
mm  
Min  
inches  
Min  
Symb  
Typ  
Max  
1.20  
0.15  
1.05  
0.27  
0.21  
14.20  
12.50  
10.10  
Typ  
Max  
0.047  
0.006  
0.041  
0.011  
0.008  
0.559  
0.492  
0.398  
A
A1  
A2  
B
0.05  
0.95  
0.17  
0.10  
13.80  
12.30  
9.90  
0.002  
0.037  
0.007  
0.004  
0.543  
0.484  
0.390  
C
D
D1  
E
e
0.50  
0.020  
L
0.50  
0.70  
0.020  
0.028  
0
°
5
°
0
°
5
°
α
N
40  
40  
CP  
0.10  
0.004  
A2  
1
N
e
E
B
N/2  
D1  
D
A
CP  
DIE  
C
TSOP-a  
A1  
α
L
Drawing is not to scale.  
14/15  
M27C1024  
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 result from its use. No license is granted  
by implicationor 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  
1998 STMicroelectronics - All Rights Reserved  
STMicroelectronics GROUP OF COMPANIES  
Australia - Brazil - Canada - China - France - Germany - Italy - Japan - Korea - Malaysia - Malta - Mexico - Morocco - The Netherlands -  
Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A.  
15/15  

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