Features: • Inputs meet JEDEC HSTL Std. JESD 86, and outputs meet Level III specifications• ESD classification testing is done to JEDEC Standard JESD22.Protection exceeds 2000 V to HBM per method A114.• Latch-up testing is done to JEDEC Standard JESD78, which exceeds 100 mA.̶...
HSTL16918: Features: • Inputs meet JEDEC HSTL Std. JESD 86, and outputs meet Level III specifications• ESD classification testing is done to JEDEC Standard JESD22.Protection exceeds 2000 V to HBM p...
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Symbol |
Parameter |
Cinditions |
Rating |
Unit |
VCC |
Supply voltage range |
0.5 to +4.6 |
V | |
VI |
Input voltage range 2 | 0.5 to VCC +0.5 | ||
VO |
Output voltage range 2 |
0.5 to VCC +0.5 | ||
IIK |
Input clamp current | VI < 0 |
-50 |
mA |
IOK |
Output clamp current 3 | VO < 0 or VO > VCC |
±50 |
mA |
IO |
Continuous output current | VO = 0 to VCC |
±50 |
mA |
Continuous current through each VCC or GND |
±100 |
mA | ||
JA |
Package thermal impedance 4 |
89 |
°C/W | |
Tstg |
Storage temperature range |
-65 to 150 |
°C |
NOTES:
1. Stresses beyond those listed may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
2. The input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed.
3. This current flows only when the output is in the high state and VO > VCC.
4. The package thermal impedance is calculated in accordance with JESD 51.
The HSTL16918 is a 9-bit to 18-bit D-type latch designed for 3.15 to 3.45 V VCC operation. The D inputs accept HSTL levels and the Q outputs provide LVTTL levels.
The HSTL16918 is particularly suitable for driving an address bus to two banks of memory. Each bank of nine outputs is controlled with its own latch-enable (LE) input.
Each of the nine D inputs is tied to the inputs of two D-type latches that provide true data (Q) at the outputs. While LE is LOW the Q outputs of the corresponding nine latches follow the D inputs. When LE is taken HIGH, the Q outputs are latched at the levels set up at the D inputs.
The HSTL16918 is characterized for operation from 0 to +70 °C.