AT7912E Datasheet, PDF (16/21 Pages) ATMEL Corporation – Single SpaceWire link High Speed Controller

11.2 DC Electrical Characteristics
The AT7912E can work with VCC = + 5 V ± 0.5 V and VCC = + 3.3V ± 0.3V. Although
specified for TTL outputs, all AT7912E outputs are CMOS compatible and will drive to
VCC and GND assuming no DC loads.
Table 11-2. 5V operating range DC Characteristics.
Parameter
Symbol Min. Max. Unit
Conditions
Operating Voltage
VCC
4.5
5.5
V
Input HIGH Voltage
VIH
2.2
V
Input LOW Voltage
VIL
0.8
V
Output HIGH Voltage
VOH
2.4
V
IOL = 1.5, 3, 6mA / VCC = VCC(min)
Output LOW Voltage
VOL
0.4
V
IOH = 1, 2, 4mA / VCC = VCC(min)
Output Short circuit current IOS
90^{(1) mA}
180^{(2) mA}
270^{(3) mA}
VOUT = VCC
VOUT = GND
Notes:
1. Applicable for HDATA[7:0], HINTR*, TMR1_EXP, TMR2_EXP, TxD1, DATA[15:0],
GPIO[7:0], IOB[24:22], IOB27 and TDO pins
2. Applicable for IOB[21:0] pins
3. Applicable for LDO and LSO pins
Table 11-3. 3.3V operating range DC Characteristics.
Parameter
Symbol Min. Max. Unit
Conditions
Operating Voltage
VCC
3.0
3.6
V
Input HIGH Voltage
VIH
2.0
V
Input LOW Voltage
VIL
0.8
V
Output HIGH Voltage
VOH
2.4
V
IOL = 3, 6, 12mA / VCC = VCC(min)
Output LOW Voltage
VOL
0.4
V
IOH = 3, 6, 12mA / VCC = VCC(min)
Output Short circuit current IOS
50^{(1) mA}
100^{(2) mA}
155^{(3 mA}
VOUT = VCC
VOUT = GND
Notes: 1. Applicable for HDATA[7:0], HINTR*, TMR1_EXP, TMR2_EXP, TxD1, DATA[15:0],
GPIO[7:0], IOB[24:22], IOB27 and TDO pins
2. Applicable for IOB[21:0] pins
3. Applicable for LDO and LSO pins
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7743A–AERO–07/07