TheTTL - Al Kossow's Bitsavers

TBP38SA165. TBP38SA166. TBP38SA16X
16.384·BIT (2048 WORDS BY 8 BITS) STANDARD
PROGRAMMABLE READ·ONL Y MEMORY WITH OPEN·COLLECTOR OUTPUTS
recommended operating conditions for programming (see Figure 1)
Supply voltage during verification
Input voltage
Enable voltage during verification
Enable inactive voltage during programming
VCC program pulse amplitude
VCC program pulse duration
Enable set-up time t before VCC(pr)
Enable hold timel: after VCC(pr)
Rise time of VCC(pr) §
Fall time of VCC(pr)'
I 1 st attempt
I 2nd attempt
I 3rd attempt
Delay time between successive VCC(pr) pulses
Delay time between successive VCC(pr) pulses
Cooling time between words
Free-air temperature
MIN
VCC 4.5
VIH 3
VIL 0
G1 0
G2,G3 3
G1 4.5
G2,G3 0
VCC(pr) 12
tw1 10
tw2 20
tw3 20
tsu(en) 0.1
th(en) 0.1
tr(VCC) 0.3
tf(VCC) 0.05
td1 10
td2 10
tcool 100
TA 20
NOM MAX UNIT
5 5.5 V
4 5
V
0.2 0.5
0.2 0.4
V
4 5
5 5.5
V
0.2 0.4
12.5 13 V
11 12
22 25 /1S
22 25
0.5 1 /1S
0.5 1 /1S
0.4 0.5 /1S
0.1 0.2 /1s
20 30 /1s
20 30 /1S
150 200 /1S
25 30 °C
II
"'C
:a
o
S
o
tMeasured from 1.5 V on enable pin to 5.5 V on VCC(pr)
l:Measured from 5.5 V on VCC(pr) to 1.5 Von enable pin
§Measured from 5 V to 12 V
, Measured from 12 V to 5 V
step-by-step programming instr'uctions (see Figure 1)
1. Address the word to be programmed, apply 5 volts to Vee and active levels to all enable inputs (