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TMS27C12820NE4 Datasheet(PDF) 8 Page - Texas Instruments

Part # TMS27C12820NE4
Description  131 072-BIT UV ERASABLE PROGRAMMABLE READ-ONLY MEMORY
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TMS27C12820NE4 Datasheet(HTML) 8 Page - Texas Instruments

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TMS27C128 131 072-BIT UV ERASABLE PROGRAMMABLE READ-ONLY MEMORY
TMS27PC128 131 072-BIT PROGRAMMABLE READ-ONLY MEMORY
SMLS128E–OCTOBER 1984–REVISED JANUARY 1993
POST OFFICE BOX 1443
HOUSTON, TEXAS
77251–1443
8
recommended operating conditions
MIN
NOM
MAX
UNIT
VCC Supply voltage
Read mode (see Note 2)
4.5
5
5.5
V
VCC Supply voltage
SNAP! Pulse programming algorithm
6.25
6.5
6.75
V
VPP Supply voltage
Read mode
VCC – 0.6
VCC + 0.6
V
VPP Supply voltage
SNAP! Pulse programming algorithm
12.75
13
13.25
V
VIH
High level dc input voltage
TTL
2
VCC +1
V
VIH
High-level dc input voltage
CMOS
VCC – 0.2
VCC +1
V
VIL
Low level dc input voltage
TTL
– 0.5
0.8
V
VIL
Low-level dc input voltage
CMOS
– 0.5
0.2
V
TA
Operating free-air temperature
’27C128-_ _JL,JL4
’27PC128_ _NL,NL4
FML, FML4
0
70
°C
TA
Operating free-air temperature
’27C128-_ _JE,JE4
’27PC128_ _NE,NE4
FME, FME4
–40
70
°C
NOTES:
2. VCC must be applied before or at the same time as VPP and removed after or at the same time as VPP. The device must not be inserted
into or removed from the board when VPP or VCC is applied.
electrical characteristics over full ranges of operating conditions
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
UNIT
VOH
High level dc output voltage
IOH = – 2.5 mA
3.5
V
VOH
High-level dc output voltage
IOH = – 20 µA
VCC – 0.1
V
VOL
Low level dc output voltage
IOL = 2.1 mA
0.4
V
VOL
Low-level dc output voltage
IOL = 20 µA
0.1
V
II
Input current (leakage)
VI = 0 to 5.5 V
±1
µA
IO
Output current (leakage)
VO = 0 to VCC
±1
µA
IPP1
VPP supply current
VPP = VCC = 5.5 V
1
10
µA
IPP2
VPP supply current (during program pulse)
VPP = 13 V
35
50
mA
ICC1
VCC supply current (standby)
TTL-input level
VCC = 5.5 V, E = VIH
250
500
µA
ICC1
VCC supply current (standby)
CMOS-input level
VCC = 5.5 V, E = VCC
100
250
µA
VCC = 5.5 V, E = VIL,
ICC2
VCC supply current (active)
tcycle = minimum cycle time,
15
30
mA
outputs open
† Typical values are at TA = 25°C and nominal voltages.
capacitance
over
recommended
ranges
of
supply
voltage
and
operating
free-air
temperature, f = 1 MHz
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
UNIT
Ci
Input capacitance
VI = 0, f = 1 MHz
6
10
pF
CO
Output capacitance
VO = 0, f = 1 MHz
10
14
pF
† Typical values are at TA = 25°C and nominal voltages.
Capacitance measurements are made on sample basis only.


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