AMD
DC CHARACTERISTICS over operating range unless otherwise specified
Am7968-125 TAXIchip Transmitter
Parameter
Symbol
Parameter Description
Test Conditions (Note 1)
Min
Max
Unit
Bus Interface Signals: DI0–DI7, DI8/CI3, DI9/CI2, CI0–CI1, STRB, ACK, CLK
VOH1
VOH2
VOL
Output HIGH Voltage
ACK
VCC = Min, IOH = –1 mA
VIN = 0 or 3 V
2.4
2.4
V
V
V
Output HIGH Voltage
CLK
VCC = Min, IOH = –3 mA
VIN = 0 or 3 V
Output LOW Voltage
ACK, CLK
VCC = Min, IOL = 8 mA
VIN = 0 or 3 V
0.45
VIH
VIL
VI
Input HIGH Voltage
Input LOW Voltage
Input Clamp Voltage
Input LOW Current
Input HIGH Current
Input Leakage Current
VCC = Max (Note 9)
2.0
V
V
VCC = Max (Note 9)
0.8
–1.5
–400
50
VCC = Min IIN = –18 mA
VCC = Max, VIN = 0.4 V
VCC = Max, VIN = 2.7 V
V
IIL
µA
µA
µA
IIH
II
VCC = Max,
VIN = 5.5 V
All Inputs
50
Except CLK
CLK Input
150
–85
µA
ISC
Output Short Circuit
Current ACK, CLK
(Note 4)
–15
VCC
mA
Serial Interface Signals: SEROUT+, SEROUT–
VOH
Output HIGH Voltage
VCC = Min ECL Load
VCC
V
V
–1.025 –0.88
VOL
Output LOW Voltage
VCC = Min ECL Load
VCC
VCC
–1.81
–1.62
Miscellaneous Signals: X1, VCC1, VCC2, VCC3
VIHX
VILX
IILX
Input HIGH Voltage X1
Input LOW Voltage X1
Input LOW Current X1
Input HIGH Current X1
Supply Current
2.0
V
V
0.8
VIN = 0.45 V
VIN = 2.4 V
–900
+600
µA
µA
IIHX
ICC
SEROUT = ECL
Load, DMS = 0
Pin VCC1 (TTL)
Pin VCC2 (ECL)
Pin VCC3 (CML)
20
45
mA
mA
mA
VCC1 = VCC2
=
VCC3 = Max
200
*See notes following end of Switching Characteristics tables.
22
Am7968/Am7969-125
AMD [ AMD ]
