µA
µA
µA
mA
V
CC
= 5.5 V, V
O
= 2.7 V
V
CC
= 5.5 V, V
O
= 0.4 V
V
CC
= 5.5 V, V
I
= 2.7 V
V
CC
= 5.5 V, V
I
= 0.4 V
I
OZH
I
OZL
I
IH
I
IL
ns
Pulse duration (see Note 2)
t
w
PAL16L8A-2M, PAL16R4A-2M, PAL16R6A-2M, PAL16R8A-2M
STANDARD HIGH-SPEED PAL
CIRCUITS
SRPS016 – D2705, FEBRUARY 1984 – REVISED MARCH 1992
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
11
electrical characteristics over recommended operating free-air temperature range
PARAMETER TEST CONDITIONS MIN TYP
†
MAX UNIT
V
IK
V
CC
= 4.5 V, I
I
= –18 mA –1.5 V
V
OH
V
CC
= 4.5 V, I
OH
= –2 mA 2.4 3.2 V
V
OL
V
CC
= 4.5 V, I
OL
= 12 mA 0.25 0.4 V
Outputs 20
I/O ports 100
Outputs –20
I/O ports –100
I
I
V
CC
= 5.5 V, V
I
= 5.5 V 0.2 mA
I/O Ports 100
All others 25
OE input –0.2
All others –0.1
I
OS
‡
V
CC
= 5.5 V, V
O
= 0.5 V –30 –250 mA
I
CC
V
CC
= 5.5 V, V
I
= 0, Outputs open 75 90 mA
timing requirements
MIN MAX UNIT
f
clock
Clock Frequency 0 16 MHz
Clock high 25
Clock low 25
t
su
Setup time, input or feedback before CLK↑ 35 ns
t
h
Hold time, input or feedback after CLK↑ 0 ns
NOTE 2: The total clock period of clock high and clock low must not exceed clock frequency, f
clock
. The minimum pulse durations specified are
only for clock high or low, but not for both simultaneously.
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
TEST CONDITION MIN TYP
†
MAX UNIT
f
max
16 25 MHz
t
pd
I, I/O O, I/O
25 40 ns
t
pd
CLK↑ Q R1 = 390 Ω, 11 25 ns
t
en
OE↓ Q R2 = 750 Ω, 20 25 ns
t
dis
OE↑ Q See Figure 1 11 25 ns
t
en
I, I/O O, I/O 25 40 ns
t
dis
I, I/O O, I/O 25 35 ns
†
All typical values are at V
CC
= 5 V, T
A
= 25°C.
‡
Not more than one output should be shorted at a time and the duration of the short circuit should not exceed one second. Set V
O
at 0.5 V to avoid
test equipment degradation.
