M38510/20704BEA QP SEMICONDUCTOR, M38510/20704BEA Datasheet - Page 32

• Manufacturer Part Number: M38510/20704BEA
• Manufacturer: QP SEMICONDUCTOR

Specifications of M38510/20704BEA

• Lead Free Status / RoHS Status: Not Compliant

4.11 Programming procedure for circuit H. The programming characteristics in table IVH and the following
procedures shall apply for programming the device:
a. Connect the device in the electrical configuration for programming. The waveforms on figure 5E and the
b. Terminate all device outputs with a 10 kΩ resistor to V
c. Address the PROM with the binary address of the selected word to be programmed. Raise V
d. After a t
e. After a t
f. After a t
g. Repeat 4.11d through 4.11f to program other bits at the same address.
h. To verify programming of all bits at the same address, after t
i. After t
j. After t
k. For class S and B devices, if any bit does not verify as programmed, it shall be considered a programming
supplied with fuses generating a low-level logic output. Programming a fuse will cause the output to go to
a high-level logic in the verify mode
programming characteristics in table IVH shall apply for programming to these procedures.
collector devices.
Note leading edge rise time restrictions.
logic low level to the CE
reject.
CE and cycling through all device addresses.
D
D
D
D
D
delay, repeat steps 4.11c through 4.11h to program and verify all other address locations.
delay, raise V
delay (10 μs), remove the V
delay (10 μs), apply V
delay (10 μs), pulse CE input to logic “0” for a duration of t
CC
X
to V
input. All programmed outputs should remain in the same logic high state.
CCVH
OPF
.
and verify all memory locations by applying a logic low level to
output to be programmed. Program one output at a time.
OPF
MIL-M-38510/207E
pulse from the programmed output. Note that the PROM is
32
CC
. The 10 kΩ is the pullup resistor for open
D
delay lower V
P
.
CC
to V
CCVL
and apply a
CC
to V
CCP
.