TheTTL - Al Kossow's Bitsavers

T8P28L86A
8192 BITS (1024 WORDS BY 8 BITS)
LOW·POWER PROGRAMMABLE READ·ONLY MEMORIES WITH 3·STATE OUTPUTS
logic symbol
AO
Al
A2
A3
A4
AS
AS
A7
AS
A9
G4
G3
G2
Gl
(8)
(7)
(S)
(5)
(4)
(3)
(2)
(1)
(23)
(22)
(21) f"-...
(19)
(18)
(20) f"-...
TBP28L86A
PROM 1024 X 8
0
A\l
A\l
A\l
A\l
;> A 1~23 A\l
9
--g;--
EN
A\l
A\l
A\l
(9)
(10)
(11)
(13)
(14)
(15)
(lS)
(17)
recommended operating conditions
00
01
02
03
04
05
os
07
pin assignment
TBP28L86A
JW OR NW PACKAGE
(TOP VIEW)
A7 Vee
A6
A8
A5
A9
A4
G4
A3
G1
A2
G3
A1
G2
AO 07
00 06
01 05
02 04
GND 03
Vee
VIH
Vil
IOH
IOL
TA
PARAMETER
Supply voltage
High-level input voltage
Low-level input voltage
High-level output current
Low-level output current
Operating free-air temperature range
MJW
JW OR NW
MIN NOM MAX MIN NOM MAX
UNIT
4.5 5 5.5 4.75 5 5.25 V
2 2 V
0.8 0.8 V
-1 -1.6 mA
8 8 mA
-55 125 0 70 °e
electrical characteristics over recommended operating free-air temper~ture range (unless otherwise noted)
PARAMETER
TEST CONDITIONS t
MJW
JW OR NW
MIN TYP* MAX MIN TYP* MAX
UNIT
VIK Vee = MIN, II = -18 mA -1.2 -1.2 V
VOH Vee = MIN, IOH = MAX 2.4 3.1 2.4 3.1 V
VOL Vee = MIN, 10L = 8 mA 0.5 0.5 V
10ZH Vee = MAX, Vo = 2.4 V 50 50 p.A
IOZl Vee = MAX, Va = 0.5 V -50 -50 p.A
II Vee = MAX, VI = 5.5 V 1 1 mA
IIH Vee = MAX, VI = 2.7 V 25 25 p.A
III Vee = MAX, VI = 0.5 V -0.25 -0.25 mA
IOS§ Vee = MAX -10 -100 -10 -100 mA
lee Vee = MAX 55 95 55 80 mA
II
(/)
~
o
a:
c..
switching characteristics over recommended ranges of TA and Vee (unless otherwise noted)
PARAMETER
TEST MJW JW OR NW
CONDITIONS MIN TYP* MAX MIN TYP* MAX
tqLA) Access time from address eL = 30 pF 65 200 65 110
ta(S) Access time from chip select (enable time) See Note 3 40 125 40 80
tdis Disable time
eL = 5 pF
See Note 3
25 100
25 60
tFor conditions shown as MIN or MAX, use appropriate value specified under recommended operating conditions.
tAli typical values are at Vee = 5 V, TA = 25°e.
§Not more than one output should be shorted at a time, and duration of the short circuit should not exceed one second.
NOTE 3: Load circuits and voltage waveforms are shown in Section 1.
UNIT
ns
ns
ns
TEXAS -II}
INSTRUMENTS
POST OFFICE BOX 225012 • DALLAS. TEXAS 75265
4-31