CY7B923-400JI CYPRESS [Cypress Semiconductor], CY7B923-400JI Datasheet - Page 8

• Manufacturer Part Number: CY7B923-400JI
• Manufacturer: CYPRESS [Cypress Semiconductor]

CY7B923/CY7B933 Electrical Characteristics
TTL OUTs, CY7B923: RP; CY7B933: Q
V
V
I
TTL INs, CY7B923: D
V
V
I
I
Transmitter PECL-Compatible Output Pins: OUTA+, OUTA , OUTB+, OUTB , OUTC+, OUTC
V
V
V
Receiver PECL-Compatible Input Pins: A/B, SI, INB
V
V
I
I
Differential Line Receiver Input Pins: INA+, INA , INB+, INB
V
V
V
I
I
Miscellaneous
I
I
Notes:
Parameter
OST
IHT
ILT
IHE
ILE
IHH
ILL
CCT
CCR
1.
2.
3.
4.
5.
6.
OHT
OLT
OHE
OLE
ODIF
IHT
ILT
IHE
ILE
DIFF
IHH
ILL
[4]
[3]
[3]
[5]
[6]
See the last page of this specification for Group A subgroup testing information.
Tested one output at a time, output shorted for less than one second, less than 10% duty cycle.
Applies to A/B only.
Input currents are always positive at all voltages above V
Maximum I
V
into V
current to V
Maximum I
outputs unloaded. I
the load 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
process corner and temperature condition.
CC
L
=equivalent load resistance, C
= 5.0V, T
CCN
is determined by PECL load currents, typically 30 mA with 50 ohms to V
CCN
CCT
CCR
Output HIGH Voltage
Output LOW Voltage
Output Short Circuit Current
Input HIGH Voltage
Input LOW Voltage
Input HIGH Current
Input LOW Current
Output HIGH Voltage
(V
Output LOW Voltage
(V
Output Differential Voltage
|(OUT+)
Input HIGH Voltage
Input LOW Voltage
Input HIGH Current
Input LOW Current
Input Differential Voltage
|(IN+)
Highest Input HIGH Voltage
Lowest Input LOW Voltage
Input HIGH Current
Input LOW Current
Transmitter Power Supply
Current
Receiver Power Supply
Current
A
= 25 C, one output pair loaded 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
CC
CC
is measured with V
is measured with V
CCR
referenced)
referenced)
includes current into V
(IN )|
0 7
Description
(OUT )|
, SC/D, SVS, ENA, ENN, CKW, FOTO, BISTEN; CY7B933: RF, REFCLK, BISTEN
CC
CC
L
=capacitive load, and F
= Max., one PECL output pair loaded with 50 ohms to V
= Max., RF = LOW, and outputs unloaded. Typical I
CCQ
TTLPin
I I CCN
(pins 21 and 24). Current into V
0 7
+
, SC/D, RVS, RDY, CKR, SO
0.95) ( V CCN * 5)*0.3
I
I
V
V
V
Load = 50 to
V
Load = 50 to
V
Load = 50 ohms to V
V
V
V
V
Freq. = Max.
Freq. = Max.
OH
OL
CC
pin
CC
OUT
CC
CC
IN
IN
IN
IN
IN
IN
/2.
=frequency in MHz of data on pin. A derating factor of 1.1 has been included to account for worst
= 4 mA
= 2 mA
= V
= 0.0V
= V
= V
= V
= V
R L
2.0V, others tied to V
=0V
2V
2V
CC
IHE
ILE
IHH
ILL
[2]
Min.
Min.
Max.
Max.
Over the Operating Range
Test Conditions
CCN
) C L *
8
CC
Com’l, Ind’l, & Mil
Ind’l & Mil
Com’l
Ind’l & Mil
Com’l
Ind’l & Mil
Com’l
Ind’l & Mil
Com’l
Ind’l & Mil
Com’l
Ind’l & Mil
Com’l
Ind’l & Mil
(pin 9) is determined by the total TTL output buffer quiescent current plus the sum of all
2.0V. Each additional enabled PECL pair adds 5 mA to I
CC
CCR
V CCN
, BISTEN = LOW. I
CC
2
CC
is measured with V
) 1.5 * F pin * 1.1
(CKW and FOTO, only)
2V
2.0V, and other PECL outputs tied to V
CCT
[1]
CC
includes current into V
= 5.0V, T
V
A
V
V
V
V
V
CC
= 25 C, RF = LOW, BISTEN = LOW, and
CC
CC
CC
CC
CC
Min.
+0.5
Typ.
120
135
2.4
2.0
2.2
0.6
2.0
2.0
2.0
50
200
65
75
0.5
15
10
1.165
1.03
1.05
1.86
1.96
1.14
CCQ
CC
. Typical I
(pin 9 and pin 22) only. Current
CCT
V
V
V
V
V
V
and an additional load
CC
CC
CC
CC
CC
CC
Max.
+500
Max.
CCT
0.45
V
V
+10
V
V
V
750
155
160
0.8
CY7B923
CY7B933
85
95
500
90
CC
CC
CC
CC
CC
1.475
0.83
0.83
1.62
1.62
1.50
is measured with
Unit
mA
mV
mA
mA
mA
mA
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
A
A
A
A
A
A
CC
.