CY7B923-JC Cypress Semiconductor Corp, CY7B923-JC Datasheet - Page 31
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CY7B923-JC
Manufacturer Part Number
CY7B923-JC
Description
Manufacturer
Cypress Semiconductor Corp
Datasheet
1.CY7B923-JC.pdf
(40 pages)
Specifications of CY7B923-JC
Lead Free Status / RoHS Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CY7B923-JC
Manufacturer:
CY
Quantity:
5 530
Part Number:
CY7B923-JC
Manufacturer:
CY
Quantity:
20 000
CY7B923/CY7B933 Electrical Characteristics
Capacitance
Document #: 38-02017 Rev. *H
I
I
C
CCT
CCR
Miscellaneous
Notes
IN
11. Maximum I
12. Maximum I
13. Tested initially and after any design or process changes that may affect these parameters, but not 100% tested.
14. Cypress uses constant current (ATE) load configurations and forcing functions. This figure is for reference only.
[11]
[12]
Parameter
= 5.0V, T
V
V
unloaded. I
currents for each output pin. The total buffer quiescent current is 10mA max., and max. TTL load current for each output pin can be calculated as follows:
Where R
worst process corner and temperature condition.
GND
3.0V
CCN
CCN
R1 = 910
R2 = 510
C
(Includes fixture and
probe capacitance)
< 1 ns
is determined by PECL load currents, typically 30 mA with 50 ohms to V
as described. When calculating the contribution of PECL load currents to chip power dissipation, the output load current should be multiplied by 1V instead of V
L
< 30 pF
A
L
= 25C, one output pair loaded with 50 ohms to V
= equivalent load resistance, C
Transmitter power supply
current
Receiver power supply
current
CCR
CCT
CCR
includes current into V
is measured with V
is measured with V
[13]
(c) TTL Input Test Waveform
1.0V
Input capacitance
OUTPUT
2.0V
CC
CC
(a) TTL AC Test Load
CCQ
3.0V
= Max., one PECL output pair loaded with 50 ohms to V
= Max., RF = LOW, and outputs unloaded. Typical I
Description
C
(pins 21 and 24). Current into V
L
L
TTLPin
= capacitive load, and F
I I CCN
=
Figure 9. AC Test Loads and Waveforms
5V
[
0.95 + (V CCN - 5) * 0.3
Freq. = Max.
Freq. = Max.
CC
2.0V
2.0V, others tied to V
R1
R2
1.0V
< 1 ns
R L
[14]
pin
CCN
T
= frequency in MHz of data on pin. A derating factor of 1.1 has been included to account for
A
CC
= 25 °C, f
(pin 9) is determined by the total TTL output buffer quiescent current plus the sum of all the load
2.0V. Each additional enabled PECL pair adds 5 mA to I
+ C L * [
Commercial
Industrial
Commercial
Industrial
Over the Operating Range
CC
V
V
, BISTEN = LOW. I
CCR
IHE
ILE
V CCN
0
Test Conditions
2
= 1 MHz, V
< 1 ns
(b) PECL AC Test Load
CC
is measured with V
C
+ 1.5 ] * F pin
L
2.0V, and other PECL outputs tied to V
20%
CC
CCT
(d) PECL Input Test Waveform
]
= 5.0V
includes current into V
* 1.1
CC
80%
R
= 5.0V, T
L
[7]
A
(continued)
V
= 25C, RF = LOW, BISTEN = LOW, and outputs
V
V
CC
[14]
Typ
120
135
IHE
ILE
65
75
CY7B923, CY7B933
– 2
CCQ
80%
CC
CCT
(pin 9 and pin 22) only. Current into
R
C
(Includes fixture and
probe capacitance)
. Typical I
Max
L
L
10
and an additional load current to
= 50
< 5 pF
Max
CCT
155
160
85
95
20%
is measured with V
< 1 ns
Page 31 of 40
Unit
pF
Unit
CC
mA
mA
mA
mA
.
CC
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