PAL16L8AM Datasheet, PDF (11/18 Pages) Texas Instruments – STANDARD HIGH-SPEED PAL CIRCUITS

PAL16L8A-2M, PAL16R4A-2M, PAL16R6A-2M, PAL16R8A-2M
STANDARD HIGH-SPEED PAL^® CIRCUITS
SRPS016 – D2705, FEBRUARY 1984 – REVISED MARCH 1992
electrical characteristics over recommended operating free-air temperature range
PARAMETER
VIK
VOH
VOL
IOZH
Outputs
I/O ports
IOZL
Outputs
I/O ports
II
I/O Ports
IIH
All others
IIL
IOS‡
ICC
OE input
All others
VCC = 4.5 V,
VCC = 4.5 V,
VCC = 4.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
TEST CONDITIONS
II = – 18 mA
IOH = – 2 mA
IOL = 12 mA
VO = 2.7 V
VO = 0.4 V
VI = 5.5 V
VI = 2.7 V
VI = 0.4 V
VO = 0.5 V
VI = 0,
Outputs open
MIN TYP^†
2.4 3.2
0.25
– 30
75
MAX
– 1.5
0.4
20
100
–20
–100
0.2
100
25
–0.2
–0.1
–250
90
UNIT
V
V
V
µA
µA
mA
µA
mA
mA
mA
timing requirements
MIN
MAX UNIT
fclock
tw
Clock Frequency
Pulse duration (see Note 2)
Clock high
Clock low
0
16 MHz
25
ns
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
tpd
I, I/O
O, I/O
16
25
MHz
25
40 ns
tpd
CLK↑
Q
R1 = 390 Ω,
11
25 ns
ten
OE↓
Q
R2 = 750 Ω,
20
25 ns
tdis
OE↑
ten
I, I/O
tdis
I, I/O
Q
O, I/O
O, I/O
See Figure 1
11
25 ns
25
40 ns
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.
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