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PDF AT27BV400-12TC Data sheet ( Hoja de datos )
| Número de pieza | AT27BV400-12TC | |
| Descripción | 4-Megabit 256K x 16 or 512K x 8 Unregulated Battery-Voltage High Speed OTP EPROM | |
| Fabricantes | ATMEL Corporation | |
| Logotipo |  |
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Features
• Fast Read Access Time - 120 ns
• Word-wide or Byte-wide Configurable
• Dual Voltage Range Operation
– Unregulated Battery Power Supply Range, 2.7V to 3.6V
or Standard 5V ± 10% Supply Range
• 4-Megabit Flash and Mask ROM Compatable
• Low Power CMOS Operation
– 20 µA Maximum Standby
– 10 mA Max. Active at 5 MHz for VCC = 3.6V
• JEDEC Standard Packages
– 44-Lead PLCC
– 44-Lead SOIC (SOP)
– 48-Lead TSOP (12 mm x 20 mm)
• High Reliability CMOS Technology
– 2,000 ESD Protection
– 200 mA Latchup Immunity
• Rapid™ Programming Algorithm - 50 µs/word (typical)
• CMOS and TTL Compatible Inputs and Outputs
– JEDEC Standard for LVTTL and LVBO
• Integrated Product Identification Code
• Commercial and Industrial Temperature Ranges
Description
The AT27BV400 is a high performance low-power, low-voltage 4,194,304-bit one time
programmable read only memory (OTP EPROM) organized as either 256K by 16 or
512K by 8 bits. It requires only one supply in the range of 2.7 to 3.6V in normal read
Pin Configurations
PLCC
(continued)
Pin Name
A0 - A17
O0 - O15
O15/A-1
BYTE/VPP
CE
OE
NC
Function
Addresses
Outputs
Output/Address
Byte Mode/
Program Supply
Chip Enable
Output Enable
No Connect
A4
A3
A2
A1
A0
CE
GND
OE
O0
O8
O1
7
8
9
10
11
12
13
14
15
16
17
39 A12
38 A13
37 A14
36 A15
35 A16
34 BYTE/VPP
33 GND
32 O15/A-1
31 07
30 O14
29 O6
TSOP
Type 1
SOIC (SOP)
NC
NC
A17
A7
A6
A5
A4
A3
A2
A1
A0
CE
GND
OE
O0
O8
O1
O9
O2
O10
O3
O11
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44 NC
43 NC
42 A8
41 A9
40 A10
39 A11
38 A12
37 A13
36 A14
35 A15
34 A16
33 BYTE/VPP
32 GND
31 015/A-1
30 O7
29 O14
28 O6
27 O13
26 O5
25 O12
24 O4
23 VCC
A15 1
A14 2
A13 3
A12 4
A11 5
A10 6
A9 7
A8 8
NC 9
NC 10
NC 11
NC 12
NC 13
NC 14
NC 15
NC 16
A17 17
A7 18
A6 19
A5 20
A4 21
A3 22
A2 23
A1 24
48 A16
47 BYTE/VPP
46 GND
45 015/A-1
44 O7
43 O14
42 O6
41 O13
40 O5
39 O12
38 O4
37 VCC
36 O11
35 O3
34 O10
33 O2
32 O9
31 O1
30 O8
29 O0
28 OE
27 GND
26 CE
25 A0
4-Megabit
(256K x 16 or
512K x 8)
Unregulated
Battery-Voltage™
High Speed
OTP EPROM
AT27BV400
Preliminary
AT27BV400
Preliminary
Rev. 0989A–03/98
1
1 page  
AT27BV400
AC Characteristics for Read Operation
VCC = 2.7V to 3.6V and 4.5V to 5.5V
Symbol
Parameter
Condition
tACC(2)
tCE(2)
tOE(2)(3)
tDF(4)(5)
Address to Output Delay
CE to Output Delay
OE to Output Delay
OE or CE High to Output Float, whichever
occured first
CE = OE = VIL
OE = VIL
CE = VIL
tOH(4)
Output Hold from Address CE or OE,
whichever occured first
tST
tSTD
Notes:
BYTE High to Output Valid
BYTE Low to Output Transition
1. 2,3,4,5. See the AC Waveforms for Read Operation diagram.
Byte-Wide Read Mode AC Waveforms
AT27BV400
-12 -15
Min Max Min Max
120 150
120 150
40 50
30 35
Units
ns
ns
ns
ns
5 5 ns
120 150 ns
50 60 ns
Note: BYTE/VPP = VIL
Word-Wide Read Mode AC Waveforms
Note: BYTE/VPP = VIH
5
5 Page 
Packaging Information
44R, 44-Lead, 0.450" Wide,
Plastic Gull Wing Small Outline Package (SOIC)
Dimensions in Inches and (Millimeters)
AT27BV400
48T, 48-Lead, 12 x 20 mm,
Plastic Thin Small Outline Package(TSOP)
Dimensions in Millimeters and (Inches)*
44J, 44-Lead, Plastic J-Leaded Chip Carrier (PLCC)
Dimensions in Inches and (Millimeters)
JEDEC STANDARD MS-018 AC
*Controlling dimension: millimeters
.045(1.14) X 45° PIN NO. 1
IDENTIFY
.045(1.14) X 30° - 45° .012(.305)
.008(.203)
.032(.813)
.026(.660)
.050(1.27) TYP
.656(16.7)
SQ
.650(16.5)
.695(17.7)
.685(17.4)SQ
.500(12.7) REF SQ
.630(16.0)
.590(15.0)
.021(.533)
.013(.330)
.043(1.09)
.020(.508)
.120(3.05)
.090(2.29)
.180(4.57)
.165(4.19)
.022(.559) X 45° MAX (3X)
11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet AT27BV400-12TC.PDF ] | |
Hoja de datos destacado
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| AT27BV400-12TC | 4-Megabit 256K x 16 or 512K x 8 Unregulated Battery-Voltage High Speed OTP EPROM | ATMEL Corporation |
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