TIBPAL20R8-10C Datasheet | Texas Instruments

TIBPAL20L8-10C, TIBPAL20R4-10C, TIBPAL20R6-10C, TIBPAL20R8-10C HIGH-PERFORMANCE IMPACT-X ™ PAL® CIRCUITS - High-Performance Operation: fmax (no feedback) TIBPAL20R’ . . . 71.4 MHz fmax (internal feedback) TIBPAL20R’ . . . 58.8 MHz fmax (external feedback) TIBPAL20R’ . . . 55.5 MHz Propagation Delay TIBPAL20’ . . . 10 ns Max - Functionally Equivalent, but Faster Than Existing 24-Pin PLD Circuits - Preload Capability on Output Registers Simplifies Testing - Power-Up Clear on Registered Devices (All Register Outputs are Set Low, but Voltage Levels at the Output Pins Go High) - Package Options Include Plastic Chip Carriers in Addition to Plastic and Ceramic DIPs - Security Fuse Prevents Duplication - Dependable Texas Instruments Quality and Reliability DEVICE I 3-STATE INPUTS O OUTPUTS PAL20L8 PAL20R4 PAL20R6 PAL20R8 14 12 12 12 2 0 0 0 REGISTERED Q OUTPUTS 0 4 (3-state buffers) 6 (3-state buffers) 8 (3-state buffers) I/O PORT SRPS008A - D3336, OCTOBER 1989 - REVISED MARCH 1992 TIBPAL20L8’ JT OR NT PACKAGE (TOP VIEW) I I I I I I I I I I I GND 1 2 3 4 5 6 7 8 9 10 11 12 24 VCC 23 I 22 O 21 I/O 20 I/O 19 I/O 18 I/O 17 I/O 16 I/O 15 O 14 I 13...