M38510/21002BJA E2V, M38510/21002BJA Datasheet - Page 8

• Manufacturer Part Number: M38510/21002BJA
• Manufacturer: E2V

Specifications of M38510/21002BJA

• Lead Free Status / RoHS Status: Supplier Unconfirmed

procedures shall be used for programming the device.
procedures shall be used for programming the device.
4.7
4.8
a. Connect the device in the electrical configuration for programming. The waveforms on figure 5A and
b. Address the PROM with the binary address of the selected word to be programmed. Address inputs
c. Apply V
d. Bring the CE
e. Disable the programming circuitry by applying a voltage of V
f. Raise V
g. After a delay equal to or greater than t
h. Lower V
i. Enable the PROM for verification by applying V
j. Apply V
k. Repeat 4.7a through 4.7j for all other bits to be programmed in the PROM.
l. If any bit does not verify as programmed, it shall be considered a programming reject.
a. Connect the device in the electrical configuration for programming. The waveforms on figure 5B and
b. Apply V
c. After a t
d. After a t
e. After t
f. Other bits in the same word may be programmed sequentially while the V
g. Repeat 4.8b through 4.8e for all bits to be programmed.
h. To verify programming, lower V
Programming procedure for circuit A. The programming characteristics of table IVA and the following
Programming procedure for circuit B. The programming characteristics of table IVB and the following
the programming characteristics of table IVA shall apply to these procedures.
are TTL compatible. An open circuit shall not be used to address the PROM.
compatible. An open circuit shall not be used to disable the device.
to the output selected for programming. Note that the PROM is supplied with fuses intact, which
generates an output high. Programming a fuse will cause the output to go low.
the programming characteristics of table IVB shall apply to these procedures.
time.
applying V
proper delays between V
Apply V
unprogrammed outputs should go to the low level.
P
and a t
PL
PHV
IH
IL
CC
D
D
CC
delay, apply only one V
delay, a pulse CE
to CE
voltage to V
CE
OP
to V
to V
to V
pulses to each output to be programmed and pulsing CE
X
1
D
PH
PL
inputs high and the CE
and the binary address of the PROM word to be programmed. Raise V
CC
1
delay, remove V
with rise time less than or equal to t
input. The programmed outputs should remain in the high state and the
following a delay of t
and verify bit is programmed.
CC
.
OP
and CE
1
to a V
CCP
OP
OP
to V
from the programmed output.
IL
to the output to be programmed high. Apply V
1
.
level for a duration of t
MIL-M-38510/210E
D1
D2
X
CC
inputs low to disable the device. The chip enables are TTL
, apply only one pulse with amplitude of V
from programming enable pulse applied to an output.
. Connect a 10 kΩ resistor between each output and V
8
IL
to CE
TLH
X
.
and V
P
OPD
.
IH
to the outputs of the PROM.
to CE
X
1
.
to the V
CC
input is at the V
IL
OPE
level, allowing for
OP
to one output at a
and duration of t
CC
to V
CCP
CCP
level by
.
CC
.
P