A
mA
VCC = 5.5 V,
VO = 2.7 V
VCC = 5.5 V,
VO = 0.4 V
VCC = 5.5 V,
VI = 2.7 V
VCC = 5.5 V,
VI = 0.4 V
IOZH
IOZL
IIH
IIL
ns
Pulse duration (see Note 2)
tw
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
VIK
VCC = 4.5 V,
II = – 18 mA
– 1.5
V
VOH
VCC = 4.5 V,
IOH = – 2 mA
2.4
3.2
V
VOL
VCC = 4.5 V,
IOL = 12 mA
0.25
0.4
V
Outputs
20
I/O ports
100
Outputs
–20
I/O ports
–100
II
VCC = 5.5 V,
VI = 5.5 V
0.2
mA
I/O Ports
100
All others
25
OE input
–0.2
All others
–0.1
IOS
VCC = 5.5 V,
VO = 0.5 V
–30
–250
mA
ICC
VCC = 5.5 V,
VI = 0,
Outputs open
75
90
mA
timing requirements
MIN
MAX
UNIT
fclock
Clock Frequency
0
16
MHz
Clock high
25
Clock low
25
tsu
Setup time, input or feedback before CLK
↑
35
ns
th
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, fclock. 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
fmax
16
25
MHz
tpd
I, I/O
O, I/O
25
40
ns
tpd
CLK
↑
Q
R1 = 390
,
11
25
ns
ten
OE
↓
Q
R2 = 750
,
20
25
ns
tdis
OE
↑
Q
See Figure 1
11
25
ns
ten
I, I/O
O, I/O
25
40
ns
tdis
I, I/O
O, I/O
25
35
ns
All typical values are at VCC = 5 V, TA = 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 VO at 0.5 V to avoid
test equipment degradation.
OBSOLETE - No Longer Available