CY7C408A
CY7C409A
2
Maximum Ratings
(Above which the useful life may be impaired. For user guide-
lines, not tested.)
Storage Temperature
..................................... −65°C to +150°C
Ambient Temperature with
Power Applied
.................................................. −55°C to +125°C
Supply Voltage to Ground Potential
.................−0.5V to +7.0V
DC Voltage Applied to Outputs
in High Z State (7C408A)
...................................−0.5V to +7.0V
DC Input Voltage
.................................................−3.0V to +7.0V
Power Dissipation.......................................................... 1.0W
Output Current, into Outputs (Low) ............................. 20 mA
Static Discharge Voltage ........................................... >2001V
(per MIL-STD-883, Method 3015)
Selection Guide
7C408A-15
7C409A-15
7C408A-25
7C409A-25
7C408A-35
7C409A-35
Maximum Shift Rate (MHz)
15
25
35
Maximum Operating
Current (mA)[1]
Commercial
115
125
135
Military
140
150
N/A
Operating Range
Range
Ambient
Temperature
VCC
Commercial
0
°C to +70°C
5V
±10%
Military[2]
−55
°C to +125°C
5V
±10%
Electrical Characteristics Over the Operating Range (Unless Otherwise Noted)[3]
Parameter
Description
Test Conditions
Min.
Max.
Unit
VOH
Output HIGH Voltage
VCC = Min., IOH = –4.0 mA
2.4
V
VOL
Output LOW Voltage
VCC = Min., IOL = 8.0 mA
0.4
V
VIH
Input HIGH Voltage
2.2
VCC
V
VIL
Input LOW Voltage
−3.0
0.8
V
IIX
Input Leakage Current
GND < VI < VCC
−10
+10
µA
IOS
Output Short Circuit Current[4]
VCC = Max., VOUT = GND
−90
mA
ICCQ
Quiescent Power Supply Current
VCC = Max., IOUT = 0 mA
VIN < VIL, VIN > VIH
Commercial
100
mA
Military
125
ICC
Power Supply Current
ICC = ICCQ + 1 mA/MHz × (fSI + fSO)/2
Capacitance[5]
Parameter
Description
Test Conditions
Max.
Unit
CIN
Input Capacitance
TA = 25°C, f = 1 MHz,
VCC = 4.5V
5pF
COUT
Output Capacitance
7
pF
Notes:
1.
ICC = ICCQ + 1 mA/MHz × (fSI + fSO)/2
2.
TA is the “instant on” case temperature.
3.
See the last page of this specification for Group A subgroup testing information.
4.
For test purposes, not more than one output at a time should be shorted. Short circuit test duration should not exceed 30 seconds.
5.
Tested initially and after any design or process changes that may affect these parameters.
AC Test Loads and Waveforms
C408A–4
C408A–5
90%
10%
3.0V
GND
90%
10%
ALL INPUT PULSES
5V
OUTPUT
INCLUDING
JIG AND
SCOPE
5V
OUTPUT
5 pF
INCLUDING
JIG AND
SCOPE
(a)
(b)
≤ 5ns
≤ 5 ns
OUTPUT
1.73V
C408A–6
30 pF
CL
R1 482
Ω
R1 482
Ω
R2
256
Ω
R2
256
Ω
Equivalent to:
THÉVENIN EQUIVALENT
167
Ω
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