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M2716 Schematic ( PDF Datasheet ) - STMicroelectronics

Teilenummer M2716
Beschreibung NMOS 16K 2K x 8 UV EPROM
Hersteller STMicroelectronics
Logo STMicroelectronics Logo 




Gesamt 9 Seiten
M2716 Datasheet, Funktion
M2716
NMOS 16K (2K x 8) UV EPROM
2048 x 8 ORGANIZATION
525mW Max ACTIVE POWER, 132mW Max
STANDBY POWER
ACCESS TIME:
– M2716-1 is 350ns
– M2716 is 450ns
SINGLE 5V SUPPLY VOLTAGE
STATIC-NO CLOCKS REQUIRED
INPUTS and OUTPUTS TTL COMPATIBLE
DURING BOTH READ and PROGRAM
MODES
THREE-STATE OUTPUT with TIED-OR-
CAPABILITY
EXTENDED TEMPERATURE RANGE
PROGRAMMING VOLTAGE: 25V
24
1
FDIP24W (F)
Figure 1. Logic Diagram
DESCRIPTION
The M2716 is a 16,384 bit UV erasable and elec-
trically programmable memory EPROM, ideally
suited for applications where fast turn around and
pattern experimentation are important require-
ments.
The M2716 is housed in a 24 pin Window Ceramic
Frit-Seal Dual-in-Line package. The transparent lid
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.
Table 1. Signal Names
A0 - A10
Q0 - Q7
EP
G
VPP
VCC
VSS
Address Inputs
Data Outputs
Chip Enable / Program
Output Enable
Program Supply
Supply Voltage
Ground
VCC VPP
11
A0-A10
8
Q0-Q7
EP M2716
G
VSS
AI00784B
July 1994
1/9






M2716 Datasheet, Funktion
M2716
Table 8. Programming Mode AC Characteristics (1)
(TA = 25 °C; VCC = 5V ± 5%; VPP = 25V ± 1V)
Symbol Alt
Parameter
Test Condition
Min
tAVPH
tAS Address Valid to Program High
G = VIH
2
tQVPH
tDS Input Valid to Program High
G = VIH
2
tGHPH
tOS Output Enable High to Program
High
2
tPL1PL2
tPR Program Pulse Rise Time
5
tPH1PH2
tPF Program Pulse Fall Time
5
tPHPL
tPW Program Pulse Width
45
tPLQX
tDH Program Low to Input Transition
2
tPLGX
tOH Program Low to Output Enable
Transition
2
tGLQV
tOE Output Enable to Output Valid
EP = VIL
tGHQZ
tDF Output Enable High to Output Hi-Z
0
tPLAX
tAH Program Low to Address Transition
2
Notes: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP.
2. Sampled only, not 100% tested.
Figure 6. Programming and Verify Modes AC Waveforms
Max Units
µs
µs
µs
ns
ns
55 ms
µs
µs
120 ns
100 ns
µs
A0-A10
Q0-Q7
G
EP
tAVPH
DATA IN
tQVPH
VALID
tPLAX
tPLQX
tPLGX
DATA OUT
tGHPH
tGLQV
tGHQZ
tPHPL
PROGRAM
VERIFY
AI00787
6/9

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