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| GTL2000 Datasheet, PDF (4/6 Pages) NXP Semiconductors – 22-bit GTL processor voltage clamp | |||
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Philips Semiconductors
22-bit GTL processor voltage clamp
Product specification
GTL2000
DC CHARACTERISTICS for VDD1 = 3.0 to 3.6 V; VDD2 = 2.36 to 2.64 V; VREF = 1.365 to 1.635 V range
Over recommended operating conditions. Voltage are referenced to GND (ground = 0 V). Refer to the Test Circuit diagram.
LIMITS
SYMBOL
PARAMETER
TEST CONDITIONS
Tamb = 0°C to +85°C
MIN
TYP1
MAX
VOL
LOW level output voltage
VS = 0.175 V; ICLAMP = 15.2 mA
NOTE:
1. All typical values are measured at VDD1 = 3.3 V, VDD2 = 2.5 V, VREF = 1.5 V and Tamb = 25°C
260
350
UNIT
mV
AC CHARACTERISTICS for VDD1 = 3.0 to 3.6 V; VDD2 = 2.36 to 2.64 V; VREF = 1.365 to 1.635 V range
GND = 0V; tr = tf ⤠3.0 ns. Refer to the Test Circuit diagram.
LIMITS
SYMBOL
PARAMETER
WAVEFORM
Tamb = 0°C to +85°C
MIN
TYP1
MAX
tPLH2
Propagation delay
Sn to Dn; Dn to Sn
0.5
1.5
5.5
NOTES:
1. All typical values are measured at VDD1 = 3.3 V, VDD2 = 2.5 V, VREF = 1.5 V and Tamb = 25°C.
2. Propagation delay guaranteed by characterization.
3. CON,MAX of 30 pF and a COFF,MAX of 15 pF is guaranteed by design.
UNIT
ns
AC WAVEFORMS
VI
INPUT
GND
VDD2
OUTPUT
HIGH-to-LOW
LOW-to-HIGH
VOL
VDD2
OUTPUT
HIGH-to-LOW
LOW-to-HIGH
VOL
VM
tPHL0
VM
tPHL
tPHL1
VM
VM
tPLH0
VM
tPLH
tPLH1
VM
TEST CIRCUIT
VDD1
VDD2
200Kâ¦
150â¦
DREF
GREF
D1
VDD2
150â¦
DUT
D22
VDD2
150â¦
SREF
S1
S22
SA00524
Waveform 1. The Input (Sn) to Output (Dn) Propagation Delays
VREF
PULSE
GENERATOR
Waveform 2. Load circuit
SA00523
2000 Jan 25
4
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