參數(shù)資料
型號(hào)： TIBPAL20R4-7CJT
廠商： Texas Instruments, Inc.
英文描述： HIGH-PERFORMANCE IMPACT-X E PAL CIRCUITS
中文描述： 高性能影響組E PAL制式電路
文件頁(yè)數(shù)： 12/20頁(yè)
文件大小： 210K
代理商： TIBPAL20R4-7CJT
μ
A
VI = 2.7 V
VCC = 5.5 V,
IIH
TIBPAL20L8-10M TIBPAL20R4-10M TIBPAL20R6-10M TIBPAL20R8-10M
HIGH-PERFORMANCE
IMPACT-X
PAL
CIRCUITS
SRPS005D – D3307, OCTOBER 1989 – REVISED NOVEMBER 1995
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
12
electrical characteristics over recommended operating free-air temperature range
PARAMETER
TEST CONDITIONS
II = –18 mA
IOH = –2 mA
IOL = 12 mA
VO = 2.7 V
VO = 0.4 V
VI = 5.5 V
MIN
TYP
–0.8
3.2
0.3
MAX
–1.5
UNIT
V
V
V
μ
A
mA
mA
VIK
VOH
VOL
IOZH
IOZL
II
VCC = 4.5 V,
VCC = 4.5 V,
VCC = 4.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
2.4
0.5
20
–0.1
1
I/O ports
All others
100
25
IIL
IOS§
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VI = 0,
f = 1 MHz,
f = 1 MHz,
f = 1 MHz,
VI = 0.4 V
VO = 0.5 V
Outputs open
OE = VIH
VI = 2 V
VO = 2 V
VCLK = 2 V
–0.08
–0.25
mA
–30
–70
–130
mA
ICC
140
220
mA
Ci
Co
Cclk
5
6
6
pF
pF
pF
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
without feedback
with internal feedback
(counter configuration)
with external feedback
I, I/O
CLK
↑
CLK
↑
OE
↓
OE
↑
I, I/O
I, I/O
62.5
fmax
62.5
MHz
50
1
1
tpd
tpd
tpd#
ten
tdis
ten
tdis
O, I/O
Q
R1 = 390
,
R2 = 750
,
See Figure 6
6
4
10
10
ns
ns
Feedback input
Q
Q
O, I/O
O, I/O
5
ns
ns
ns
ns
ns
1
1
1
1
4
4
6
6
10
10
12
10
All typical values are at VCC = 5 V, TA = 25
°
C.
I/O leakage is the worst case of IOZL and IIL or IOZH and IIH respectively.
§Not more than one output should be shorted at a time, and the duration of the short circuit should not exceed one second. VO is set at 0.5 V to
avoid test problems caused by test equipment ground degradation.
See section for fmax specifications. fmax with external feedback is not production tested but is calculated from the equation found in the fmax
specification section.
#This parameter applies to TIBPAL20R4’ and TIBPAL20R6’ only (see Figure 4 for illustration) and is calculated from the measured fmax with internal
feedback in the counter configuration.
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