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27C512T Datasheet(PDF) 5 Page - Maxwell Technologies

Part No. 27C512T
Description  512K (64K x 8-Bit) OTP EPROM
Download  15 Pages
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Maker  MAXWELL [Maxwell Technologies]
Homepage  http://www.maxwell.com
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27C512T Datasheet(HTML) 5 Page - Maxwell Technologies

 
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All data sheets are subject to change without notice
©2003 Maxwell Technologies
All rights reserved.
512K (64K x 8-Bit) OTP EPROM
27C512T
06.24.03 REV 4
TABLE 8. 27C512T AC ELECTRICAL CHARACTERISTICS FOR PROGRAMMING OPERATION 1,2
(V
CC = 6.0V + 0.25V, VPP = 12.5V + 0.3V, TA = 25
°C)
1. t
DF is defined as the time at which the output becomes an open circuit and data is no longer driven.
2. AC electrical parameters for programming operations are not tested. These are guaranteed by design.
PARAMETER
SYMBOL
SUBGROUPS
MIN
TYP
MAX
UNIT
Address Setup Time
t
AS
9, 10, 11
2
--
--
µ s
Address Hold Time
t
AH
9, 10, 11
0
--
--
µ s
Data Setup Time
t
DS
9, 10, 11
2
--
--
µ s
Data Hold Time
t
DH
9, 10, 11
2
--
--
µ s
V
PP Setup Time
t
VPS
9, 10, 11
2
--
--
µ s
V
CC Setup Time
t
VCS
9, 10, 11
2
--
--
µ s
Output Enable Setup Time
t
OES
9, 10, 11
2
--
--
µ s
Output Disable Time
t
DF
3
3. Test Conditions:
- Input pulse levels
0.45V/2.4V
- Input rise and fall times
< 20 ns
- Referenced levels for measuring timing
0.8V/2.0V
9, 10, 11
0
--
130
ns
CE Initial Programming Pulse Width
t
PW
9, 10, 11
0.19
0.20
0.21
ms
CE Overprogramming Pulse Width
t
OPW
9, 10, 11
0.19
--
5.25
ms
Output Enable Hold Time
t
OEH
9, 10, 11
2
--
--
µ s
V
PP Recovery Time
t
VR
9, 10, 11
2
--
--
µ s
Data Valid from Chip Enable
t
DV
9, 10, 11
1
--
--
µ s
TABLE 9. 27C512T DC ELECTRICAL CHARACTERISTICS FOR PROGRAMMING OPERATIONS1,2,3,4
(V
CC = 6.0V + 0.25V, VPP = 12.5V + 0.3V, TA = 25
°C)
1. V
CC must be applied before VPP and removed after VPP.
2. V
PP must not exceed 13V, including overshoot.
3. Do not change V
PP from VIL to 12.5V or 12.5V to VIL when CE = low.
4. DC electrical parameters for programming operations are not tested. These are guaranteed by design.
PARAMETER
TEST CONDITION
SYMBOL
SUBGROUPS
MIN
MAX
UNIT
Input Leakage Current
V
IN=0V to VCC
I
LI
1, 2, 3
--
2
µ A
Operating V
CC Current
I
CC
1, 2, 3
--
30
mA
Operating V
PP Current
CE=PGM=V
IL
I
PP
1, 2, 3
--
40
mA
Input Voltage5
5. Device reliability may be adversely affected if the device is installed or removed while V
PP = 12.5V.
V
IH
1, 2, 3
2.2
V
CC+0.5
6
V
V
IL
1, 2, 3
-0.17
0.8
Output Voltage
I
OH=-400µ A
V
OH
1, 2, 3
2.4
--
V
I
OH= 2.1mA
V
OL
1, 2, 3
--
0.45


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